Bupropion HCL 100 mg Tablet, Film Coated, 30-count — NDC 72189-457-30 (Billing 72189-0457-30)
This is a package of 30 tablets of Bupropion HCL 100 mg Tablet, Film Coated from Direct_Rx, marketed since Mar 2023 and currently FDA-listed. It is this product's only package size.
Identity & classification
Regulatory identifiers FDA, NLM and CMS codes for this package
Drug-database identifiers Medi-Span GPI and First Databank GCN / HICL / AHFS classification
- GSN (GCN sequence number): 046237
- GCN: 16385
- HICL (First Databank): 001653
- AHFS class code: 28:16.04.92
- RxCUI (RxNorm): 993687
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 2026
- RxNorm (NLM RxNav) · catalog refreshed Oct 1, 2026
- Medi-Span GPI (licensed)
- First Databank (licensed) · refreshed Oct 1, 2026
RxNorm drug class
This medicine belongs to the Aminoketone class.
Where does this data come from?
- RxClass (NLM) · catalog refreshed Oct 1, 2026
Clinical
Bupropion is used to treat depression. and seasonal affective disorder (SAD; episodes of depression that occur at the same time each year [usually in the fall and winter but rarely may occur in the spring or summer months]). Bupropion is also used to help people stop smoking. Bupropion is in a class of medications called antidepressants. It works by increasing certain types of activity in the brain.
Read the full MedlinePlus article ↗- Bupropion treats major depressive disorder. Some extended-release products, like Aplenzin and bupropion XL, can also prevent seasonal affective disorder, the depression that return...
- Take it by mouth exactly as prescribed. XL tablets are taken once in the morning, with or without food, and must be swallowed whole. Your doctor will usually raise the dose gradual...
- The most common ones are dry mouth, nausea, trouble sleeping, dizziness, headache, anxiety and tremor. Call your doctor right away if you have a seizure, new suicidal thoughts, sev...
- It's best to limit or avoid alcohol. Rare neuropsychiatric events and lower alcohol tolerance have been reported. Never suddenly stop heavy drinking while on bupropion without talk...
Patient education
Supplement & herbal interactions
Bupropion may be associated with lower levels of 1 nutrient — worth a chat with your pharmacist, not a cause for alarm.
Where does this data come from?
- MedlinePlus (NLM) · refreshed Oct 1, 2026
- FDA label on DailyMed · label index refreshed Oct 1, 2026
Ask a licensed pharmacist directly — free, answered by our team.
Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per each | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · Q2 2026 | $0.2376 | $7.13 / 30 tablets |
Where does this data come from?
- CMS NADAC weekly file
- CMS ASP pricing files · refreshed Sep 20, 2026
- CMS Medicaid State Drug Utilization Data · refreshed Oct 2, 2026
- CMS Part D plan pricing files · refreshed Sep 24, 2026
- VA National Acquisition Center price file
Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Marketing end | Status |
|---|---|---|---|---|
| 72189-0457-30 You're viewing this Main listing | 30 TABLET, FILM COATED in 1 BOTTLE | 2023-03-30 | — | Active |
Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Bupropion Hydrochloride 100 mg 00904-6636-61 | Major | 1 tablet | $0.113 | AB | Availability likely | — |
| Bupropion Hydrochloride 100 mg 00904-7530-60 | MAJOR | 100 tablets | $0.113 | AB | Availability likely | — |
| bupropion Hydrochloride 100 mg 23155-0192-01 | Heritage | 100 tablets | $0.113 | AB | Availability likely | — |
| Bupropion Hydrochloride 100 mg 50268-0143-15 | AvPAK | 1 tablet | $0.113 | AB | Availability likely | — |
| Bupropion Hydrochloride 100 mg 59651-0875-01 | Aurobindo | 100 tablets | $0.113 | AB | Availability likely | — |
| Bupropion Hydrochloride 100 mg 60505-0157-01 | Apotex | 100 tablets | $0.113 | AB | Availability likely | — |
| Bupropion Hydrochloride 100 mg 60687-0351-01 | American | 1 tablet | $0.113 | AB | Availability likely | — |
| Bupropion Hydrochloride 100 mg 62135-0724-90 | Chartwell | 90 tablets | $0.113 | AB | Availability likely | — |
| Bupropion Hydrochloride 100 mg 62332-0127-31 | Alembic | 100 tablets | $0.113 | AB | Availability likely | — |
| Bupropion Hydrochloride 100 mg 68001-0309-00 | BluePoint | 100 tablets | $0.113 | AB | Availability likely | — |
| Bupropion Hydrochloride 100 mg 00615-8582-39 | NCS | 30 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 42571-0242-01 | Micro | 100 tablets | — | AB | Discontinued | — |
| bupropion Hydrochloride 100 mg 43063-0994-30 | PD-Rx | 30 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 46708-0127-31 | Alembic | 100 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 50090-1869-00 | A-S | 60 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 50090-7511-00 | A-S | 60 tablets | — | AB | FDA listed | — |
| bupropion Hydrochloride 100 mg 51655-0390-25 | Northwind | 60 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 60429-0747-01 | Golden | 100 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 60760-0781-30 | St. | 30 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 67046-1562-03 | Coupler | 30 tablets | — | AB | FDA listed | — |
| bupropion Hydrochloride 100 mg 67046-1672-03 | Coupler | 30 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 68071-2577-03 | NuCare | 30 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 68788-7988-03 | Preferred | 30 tablets | — | AB | FDA listed | — |
| bupropion Hydrochloride 100 mg 69097-0918-02 | CIPLA | 30 tablets | — | — | FDA listed | — |
| Bupropion Hydrochloride 100 mg 69292-0602-01 | Amici | 100 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 70518-4218-00 | REMEDYREPACK | 30 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 71209-0053-05 | Cadila | 100 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 71335-0182-01 | Bryant | 60 tablets | — | AB | FDA listed | — |
| bupropion Hydrochloride 100 mg 71335-0877-01 | Bryant | 60 tablets | — | — | FDA listed | — |
| Bupropion Hydrochloride 100 mg 71335-2652-01 | Bryant | 60 tablets | — | AB | FDA listed | — |
| bupropion Hydrochloride 100 mg 71335-2690-01 | Bryant | 100 tablets | — | AB | FDA listed | — |
| bupropion Hydrochloride 100 mg 71335-2875-01 | Bryant | 100 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 71610-0164-83 | Aphena | 3600 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 71610-0708-80 | Aphena | 180 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 72162-2097-01 | Bryant | 100 tablets | — | AB | FDA listed | — |
| bupropion Hydrochloride 100 mg 72162-2401-01 | Bryant | 100 tablets | — | AB | FDA listed | — |
| Bupropion HCL 100 mgthis 72189-0457-30 | Direct_Rx | 30 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 72241-0021-05 | Modavar | 100 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 72789-0070-30 | PD-Rx | 30 tablets | — | AB | FDA listed | — |
| bupropion Hydrochloride 100 mg 72789-0544-90 | PD-Rx | 90 tablets | — | AB | FDA listed | — |
| Bupropion Hydrochloride 100 mg 82804-0123-30 | Proficient | 30 tablets | — | AB | FDA listed | — |
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- FDA Orange Book · refreshed Sep 3, 2026
- CMS NADAC weekly file
Availability & generic status
This product is an FDA-approved generic. Other versions of the same drug are listed under Therapeutic equivalents, least expensive first.
Where does this data come from?
- FDA Orange Book · refreshed Sep 3, 2026
What it looks like
Where does this data come from?
- FDA label on DailyMed · label index refreshed Oct 1, 2026
Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.
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UNII 68401960MK
Crospovidone is a synthetic polymer made from polyvinylpyrrolidone. It acts as a disintegrant, helping tablets break apart quickly in the stomach so the medicine dissolves and absorbs into the body.
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UNII ECW0LZ41X8
A synthetic red dye used to color tablets and capsules. It helps make medicines visually distinctive so patients can easily identify their medication.
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UNII 88XHZ13131
Fumaric acid is an organic acid used in medications as a buffer and pH regulator. It helps maintain the proper acidity level in the medicine and may aid in tablet disintegration.
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UNII RFW2ET671P
Hydroxypropyl cellulose is a plant-derived thickening agent made from cellulose. It acts as a binder to hold tablet ingredients together and as a film-former to coat tablets or control how fast the medicine releases.
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UNII 3NXW29V3WO
Hypromellose is a plant-based thickener made from cellulose. It's used in medicines as a binder to hold ingredients together, a coating for tablets, and a thickener for liquids.
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UNII 70097M6I30
Magnesium stearate is a salt made from magnesium and stearic acid, a fatty substance. It's used in tablets and capsules as a lubricant and glidant to help ingredients flow smoothly during manufacturing and prevent sticking.
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UNII 4GFU244C4J
Methylcellulose is a plant-based thickening agent made from cellulose. It acts as a binder to hold pill ingredients together and as a bulking agent to add texture and consistency to liquid or semi-solid medicines.
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UNII Q662QK8M3B
Polyethylene glycol 8000 is a synthetic polymer made from ethylene oxide. It acts as a binder and filler in tablets and capsules, helping hold ingredients together and add bulk to the medicine.
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UNII ETJ7Z6XBU4
Silicon dioxide is a naturally occurring mineral used as a glidant and anti-caking agent. It helps powder ingredients flow smoothly and prevents clumping during manufacturing and storage.
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UNII 15FIX9V2JP
Titanium dioxide is a bright white mineral powder commonly used as a colorant and opacifying agent. It makes pills and tablets white or lighter in color and helps make coatings non-transparent.
10 inactive ingredients listed in the exact product block matched to this NDC.
Where does this data come from?
ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.- FDA label on DailyMed · label index refreshed Oct 1, 2026
- FDA openFDA NDC Directory · synced Oct 1, 2026
Inactive ingredient FAQ
Are inactive ingredients the same for every manufacturer?
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Manufacturer & labeler
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- Drugs@FDA
Full prescribing information FDA SPL
🚨 Boxed Warning ▾
WARNING: SUICIDAL THOUGHTS AND BEHAVIORS SUICIDALITY AND ANTIDEPRESSANT DRUGS Antidepressants increased the risk of suicidal thoughts and behavior in children, adolescents, and young adults in short-term trials. These trials did not show an increase in the risk of suicidal thoughts and behavior with antidepressant use in subjects over age 24; there was a reduction in risk with antidepressant use in subjects aged 65 and older [see Warnings and Precautions (5.1)]. In patients of all ages who are started on antidepressant therapy, monitor closely for worsening, and for emergence of suicidal thoughts and behaviors.
Advise families and caregivers of the need for close observation and communication with the prescriber [see Warnings and Precautions (5.1)].
🎯 Indications and Usage ▾
Bupropion hydrochloride tablets are indicated for the treatment of major depressive disorder (MDD), as defined by the Diagnostic and Statistical Manual (DSM). The efficacy of bupropion hydrochloride tablets in the treatment of a major depressive episode was established in two 4-week controlled inpatient trials and one 6-week controlled outpatient trial of adult subjects with MDD [see Clinical Studies (14)].
⏱️ Dosage and Administration ▾
2.1General Instructions for Use To minimize the risk of seizure, increase the dose gradually [see Warnings and Precautions (5.3)]. Increases in dose should not exceed 100 mg/day in a 3-day period. Bupropion hydrochloride tablets should be swallowed whole and not crushed, divided, or chewed.
Bupropion hydrochloride tablets may be taken with or without food. The recommended starting dose is 200 mg/day, given as 100 mg twice daily. After 3 days of dosing, the dose may be increased to 300 mg/day, given as 100 mg 3 times daily, with at least 6 hours between successive doses.
Dosing above 300 mg/day may be accomplished using the 75- or 100-mg tablets. A maximum of 450 mg/day, given in divided doses of not more than 150 mg each, may be considered for patients who show no clinical improvement after several weeks of treatment at 300 mg/day. Administer the 100-mg tablet 4 times daily to not exceed the limit of 150 mg in a single dose.
It is generally agreed that acute episodes of depression require several months or longer of antidepressant drug treatment beyond the response in the acute episode. It is unknown whether the dose of bupropion hydrochloride tablets needed for maintenance treatment is identical to the dose that provided an initial response. Periodically reassess the need for maintenance treatment and the appropriate dose for such treatment.
2.2Dose Adjustment in Patients with Hepatic Impairment In patients with moderate to severe hepatic impairment (Child-Pugh score: 7 to 15), the maximum dose of bupropion hydrochloride tablets are 75 mg/day. In patients with mild hepatic impairment (Child-Pugh score: 5 to 6), consider reducing the dose and/or frequency of dosing [see Use in Specific Populations (8.7), Clinical Pharmacology (12.3)].
2.3Dose Adjustment in Patients with Renal Impairment Consider reducing the dose and/or frequency of bupropion hydrochloride tablets in patients with renal impairment (Glomerular Filtration Rate [GFR] less than 90 mL/min) [see Use in Specific Populations (8.6), Clinical Pharmacology (12.3)].
2.4Switching a Patient to or from a Monoamine Oxidase Inhibitor (MAOI) Antidepressant At least 14 days should elapse between discontinuation of an MAOI intended to treat depression and initiation of therapy with bupropion hydrochloride tablets. Conversely, at least 14 days should be allowed after stopping bupropion hydrochloride tablets before starting an MAOI antidepressant [see Contraindications (4), Drug Interactions (7.6)].
2.5Use of Bupropion Hydrochloride Tablets with Reversible MAOIs Such as Linezolid or Methylene Blue Do not start bupropion hydrochloride tablets in a patient who is being treated with a reversible MAOI such as linezolid or intravenous methylene blue. Drug interactions can increase the risk of hypertensive reactions. In a patient who requires more urgent treatment of a psychiatric condition, non-pharmacological interventions, including hospitalization, should be considered [see Contraindications (4), Drug Interactions (7.6)].
In some cases, a patient already receiving therapy with bupropion hydrochloride tablets may require urgent treatment with linezolid or intravenous methylene blue. If acceptable alternatives to linezolid or intravenous methylene blue treatment are not available and the potential benefits of linezolid or intravenous methylene blue treatment are judged to outweigh the risks of hypertensive reactions in a particular patient, bupropion hydrochloride tablets should be stopped promptly, and linezolid or intravenous methylene blue can be administered.
The patient should be monitored for 2 weeks or until 24 hours after the last dose of linezolid or intravenous methylene blue, whichever comes first. Therapy with bupropion hydrochloride tablets may be resumed 24 hours after the last dose of linezolid or intravenous methylene blue. The risk of administering methylene blue by non-intravenous routes (such as oral tablets or by local injection) or in intravenous doses much lo… [Excerpted — this section continues on DailyMed.]
💊 Dosage Forms and Strengths ▾
75 mg – orange, round, unscored, film coated tablets, imprinted "APO" on one side and "BU" over "75" on the other side. 100 mg – purple, round, unscored, film coated tablets, imprinted "APO" on one side and "BUP" over "100" on the other side.
⛔ Contraindications ▾
Bupropion hydrochloride tablets are contraindicated in patients with a seizure disorder.• Bupropion hydrochloride tablets are contraindicated in patients with a current or prior diagnosis of bulimia or anorexia nervosa as a higher incidence of seizures was observed in such patients treated with bupropion hydrochloride tablets [see Warnings and Precautions (5.3)]. Bupropion hydrochloride tablets are contraindicated in patients undergoing abrupt discontinuation of alcohol, benzodiazepines, barbiturates, and antiepileptic drugs [see Warnings and Precautions (5.3), Drug Interactions (7.3)].
The use of MAOIs (intended to treat psychiatric disorders) concomitantly with bupropion hydrochloride tablets or within 14 days of discontinuing treatment with bupropion hydrochloride tablets are contraindicated. There is an increased risk of hypertensive reactions when bupropion hydrochloride tablets are used concomitantly with MAOIs. The use of bupropion hydrochloride tablets within 14 days of discontinuing treatment with an MAOI is also contraindicated.
Starting bupropion hydrochloride tablets in a patient treated with reversible MAOIs such as linezolid or intravenous methylene blue is contraindicated [see Dosage and Administration (2.4, 2.5), Warnings and Precautions (5.4), Drug Interactions (7.6)]. Bupropion hydrochloride tablets are contraindicated in patients with known hypersensitivity to bupropion or other ingredients of bupropion hydrochloride tablets. Anaphylactoid/anaphylactic reactions and Stevens-Johnson syndrome have been reported [see Warnings and Precautions (5.8)].
⚠️ Warnings and Cautions ▾
5.1Suicidal Thoughts and Behaviors in Children, Adolescents, and Young Adults Patients with MDD, both adult and pediatric, may experience worsening of their depression and/or the emergence of suicidal ideation and behavior (suicidality) or unusual changes in behavior, whether or not they are taking antidepressant medications, and this risk may persist until significant remission occurs. Suicide is a known risk of depression and certain other psychiatric disorders, and these disorders themselves are the strongest predictors of suicide.
There has been a long-standing concern that antidepressants may have a role in inducing worsening of depression and the emergence of suicidality in certain patients during the early phases of treatment. Pooled analyses of short-term placebo-controlled trials of antidepressant drugs (selective serotonin reuptake inhibitors [SSRIs] and others) show that these drugs increase the risk of suicidal thinking and behavior (suicidality) in children, adolescents, and young adults (ages 18 to 24) with MDD and other psychiatric disorders.
Short-term clinical trials did not show an increase in the risk of suicidality with antidepressants compared with placebo in adults beyond age 24; there was a reduction with antidepressants compared with placebo in adults aged 65 and older. The pooled analyses of placebo-controlled trials in children and adolescents with MDD, obsessive compulsive disorder (OCD), or other psychiatric disorders included a total of 24 short-term trials of 9 antidepressant drugs in over 4,400 subjects. The pooled analyses of placebo-controlled trials in adults with MDD or other psychiatric disorders included a total of 295 short-term trials (median duration of 2 months) of 11 antidepressant drugs in over 77,000 subjects.
There was considerable variation in risk of suicidality among drugs, but a tendency toward an increase in the younger subjects for almost all drugs studied. There were differences in absolute risk of suicidality across the different indications, with the highest incidence in MDD. The risk differences (drug vs. placebo), however, were relatively stable within age strata and across indications.
These risk differences (drug-placebo difference in the number of cases of suicidality per 1,000 subjects treated) are provided in Table 1. Table 1. Risk Differences in the Number of Suicidality Cases by Age Group in the Pooled Placebo-Controlled Trials of Antidepressants in Pediatric and Adult Subjects Age Range Drug-Placebo Difference in Number of Cases of Suicidality per 1,000 Subjects Treated Increases Compared with Placebo <18 14 additional cases 18-24 5 additional cases Decreases Compared with Placebo 25-64 1 fewer case ≥65 6 fewer cases No suicides occurred in any of the pediatric trials.
There were suicides in the adult trials, but the number was not sufficient to reach any conclusion about drug effect on suicide. It is unknown whether the suicidality risk extends to longer-term use, i.e., beyond several months. However, there is substantial evidence from placebo-controlled maintenance trials in adults with depression that the use of antidepressants can delay the recurrence of depression.
All patients being treated with antidepressants for any indication should be monitored appropriately and observed closely for clinical worsening, suicidality, and unusual changes in behavior, especially during the initial few months of a course of drug therapy, or at times of dose changes, either increases or decreases [see Boxed Warning]. The following symptoms, anxiety, agitation, panic attacks, insomnia, irritability, hostility, aggressiveness, impulsivity, akathisia (psychomotor restlessness), hypomania, and mania, have been reported in adult and pediatric patients being treated with antidepressants for major depressive disorder as well as for other indications, both psychiatric and nonpsychiatric.
Although a causal link between the emergence of such symptoms and either the worsening of depres… [Excerpted — this section continues on DailyMed.]
🤒 Adverse Reactions ▾
The following adverse reactions are discussed in greater detail in other sections of the labeling: Suicidal thoughts and behaviors in adolescents and young adults [see Boxed Warning, Warnings and Precautions (5.1)] Neuropsychiatric symptoms and suicide risk in smoking cessation treatment [see Warnings and Precautions (5.2)] Seizure [see Warnings and Precautions (5.3)] Hypertension [see Warnings and Precautions (5.4)] Activation of mania or hypomania [see Warnings and Precautions (5.5)] Psychosis and other neuropsychiatric reactions [see Warnings and Precautions (5.6)] Angle-closure glaucoma [see Warnings and Precautions (5.7)] Hypersensitivity reactions [see Warnings and Precautions (5.8)]
6.1Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared with rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice. Adverse Reactions Leading to Discontinuation of Treatment Adverse reactions were sufficiently troublesome to cause discontinuation of treatment with bupropion hydrochloride tablets in approximately 10% of the 2,400 subjects and healthy volunteers who participated in clinical trials during the product’s initial development.
The more common events causing discontinuation include neuropsychiatric disturbances (3.0%), primarily agitation and abnormalities in mental status; gastrointestinal disturbances (2.1%), primarily nausea and vomiting; neurological disturbances (1.7%), primarily seizures, headaches, and sleep disturbances; and dermatologic problems (1.4%), primarily rashes. It is important to note, however, that many of these events occurred at doses that exceed the recommended daily dose. Commonly Observed Adverse Reactions Adverse reactions commonly encountered in subjects treated with bupropion hydrochloride tablets are agitation, dry mouth, insomnia, headache/migraine, nausea/vomiting, constipation, tremor, dizziness, excessive sweating, blurred vision, tachycardia, confusion, rash, hostility, cardiac arrhythmia, and auditory disturbance.
Table 2 summarizes the adverse reactions that occurred in placebo-controlled trials at an incidence of at least 1% of subjects receiving bupropion hydrochloride tablets and more frequently in these subjects than in the placebo group. Table 2. Adverse Reactions Reported by at Least 1% of Subjects and at a Greater Frequency than Placebo in Controlled Clinical Trials Bupropion Hydrochloride Tablets Placebo (n = 323) (n = 185) Adverse Reaction % % Cardiovascular Cardiac arrhythmias 5.3
4.3Dizziness 22.3
16.2Hypertension 4.3
1.6Hypotension 2.5
2.2Palpitations 3.7
2.2Syncope 1.2
0.5Tachycardia 10.8
8.6Dermatologic Pruritus 2.2
0.0Rash 8.0
6.5Gastrointestinal Appetite increase 3.7
2.2Constipation 26.0
17.3Dyspepsia 3.1
2.2Nausea/vomiting 22.9
18.9Genitourinary Impotence 3.4
3.1Menstrual complaints 4.7
1.1Urinary frequency 2.5
2.2Musculoskeletal Arthritis 3.1
2.7Neurological Akathisia 1.5
1.1Cutaneous temperature 1.9 1.6 disturbance Dry mouth 27.6
18.4Excessive sweating 22.3
14.6Headache/migraine 25.7
22.2Impaired sleep quality 4.0
1.6Insomnia 18.6
15.7Sedation 19.8
19.5Sensory disturbance 4.0
3.2Tremor 21.1
7.6Neuropsychiatric Agitation 31.9
22.2Anxiety 3.1
1.1Confusion 8.4
4.9Decreased libido 3.1
1.6Delusions 1.2
1.1Euphoria 1.2
0.5Hostility 5.6
3.8Nonspecific Fever/chills 1.2
0.5Special senses Auditory disturbance 5.3
3.2Blurred vision 14.6
10.3Gustatory disturbance 3.1
1.1Other Adverse Reactions Observed during the Clinical Development of Bupropion Hydrochloride Tablets The conditions and duration of exposure to bupropion hydrochloride tablets varied greatly, and a substantial proportion of the experience was gained in open and uncontrolled clinical settings. During this experience, numerous adverse events were reported; however, without appropriate controls, it is impo… [Excerpted — this section continues on DailyMed.]
🔄 Drug Interactions ▾
7.1Potential for Other Drugs to Affect Bupropion Hydrochloride Tablets Bupropion is primarily metabolized to hydroxybupropion by CYP2B6. Therefore, the potential exists for drug interactions between bupropion hydrochloride tablets and drugs that are inhibitors or inducers of CYP2B6. Inhibitors of CYP2B6 Ticlopidine and Clopidogrel: Concomitant treatment with these drugs can increase bupropion exposure but decrease hydroxybupropion exposure.
Based on clinical response, dosage adjustment of bupropion hydrochloride tablets may be necessary when coadministered with CYP2B6 inhibitors (e.g., ticlopidine or clopidogrel) [see Clinical Pharmacology (12.3)]. Inducers of CYP2B6 Ritonavir, Lopinavir, and Efavirenz: Concomitant treatment with these drugs can decrease bupropion and hydroxybupropion exposure. Dosage increase of bupropion hydrochloride tablets may be necessary when coadministered with ritonavir, lopinavir, or efavirenz [see Clinical Pharmacology (12.3)] but should not exceed the maximum recommended dose.
Carbamazepine, Phenobarbital, Phenytoin: While not systematically studied, these drugs may induce the metabolism of bupropion and may decrease bupropion exposure [see Clinical Pharmacology (12.3)]. If bupropion is used concomitantly with a CYP inducer, it may be necessary to increase the dose of bupropion, but the maximum recommended dose should not be exceeded.
7.2Potential for Bupropion Hydrochloride Tablets to Affect Other Drugs Drugs Metabolized by CYP2D6 Bupropion and its metabolites (erythrohydrobupropion, threohydrobupropion, hydroxybupropion) are CYP2D6 inhibitors. Therefore, coadministration of bupropion hydrochloride tablets with drugs that are metabolized by CYP2D6 can increase the exposures of drugs that are substrates of CYP2D6. Such drugs include certain antidepressants (e.g., venlafaxine, nortriptyline, imipramine, desipramine, paroxetine, fluoxetine, and sertraline), antipsychotics (e.g., haloperidol, risperidone, thioridazine), beta-blockers (e.g., metoprolol), and Type 1C antiarrhythmics (e.g., propafenone and flecainide).
When used concomitantly with bupropion hydrochloride tablets, it may be necessary to decrease the dose of these CYP2D6 substrates, particularly for drugs with a narrow therapeutic index. Drugs that require metabolic activation by CYP2D6 to be effective (e.g., tamoxifen) theoretically could have reduced efficacy when administered concomitantly with inhibitors of CYP2D6 such as bupropion. Patients treated concomitantly with bupropion hydrochloride tablets and such drugs may require increased doses of the drug [see Clinical Pharmacology (12.3)].
Digoxin Coadministration of bupropion hydrochloride with digoxin may decrease plasma digoxin levels. Monitor plasma digoxin levels in patients treated concomitantly with bupropion hydrochloride and digoxin [see Clinical Pharmacology (12.3)].
7.3Drugs that Lower Seizure Threshold Use extreme caution when coadministering bupropion hydrochloride tablets with other drugs that lower seizure threshold (e.g., other bupropion products, antipsychotics, antidepressants, theophylline, or systemic corticosteroids). Use low initial doses and increase the dose gradually [see Contraindications (4), Warnings and Precautions (5.3)].
7.4Dopaminergic Drugs (Levodopa and Amantadine) Bupropion, levodopa, and amantadine have dopamine agonist effects. CNS toxicity has been reported when bupropion was coadministered with levodopa or amantadine. Adverse reactions have included restlessness, agitation, tremor, ataxia, gait disturbance, vertigo, and dizziness.
It is presumed that the toxicity results from cumulative dopamine agonist effects. Use caution when administering bupropion hydrochloride tablets concomitantly with these drugs.
7.5Use with Alcohol In postmarketing experience, there have been rare reports of adverse neuropsychiatric events or reduced alcohol tolerance in patients who were drinking alcohol during treatment with bupropion hydrochloride tablets. The con… [Excerpted — this section continues on DailyMed.]
👥 Use in Specific Populations ▾
8.1Pregnancy Pregnancy Exposure Registry There is an independent pregnancy exposure registry that monitors pregnancy outcomes in women exposed to any antidepressants during pregnancy. Healthcare providers are encouraged to register patients by calling the National Pregnancy Registry for Antidepressants at 1-844-405-6185 or visiting online at HTTPS://WOMENSMENTALHEALTH.ORG/RESEARCH/PREGNANCYREGISTRY/ANTIDEPRESSANTS/. Risk Summary Data from epidemiological studies of pregnant women exposed to bupropion in the first trimester have not identified an increased risk of congenital malformations overall (see Data).
There are risks to the mother associated with untreated depression in pregnancy (see Clinical Considerations). When bupropion was administered to pregnant rats during organogenesis, there was no evidence of fetal malformations at doses up to approximately 10 times the maximum recommended human dose (MRHD) of 450 mg/day. When given to pregnant rabbits during organogenesis, non-dose–related increases in incidence of fetal malformations and skeletal variations were observed at doses approximately equal to the MRHD and greater.
Decreased fetal weights were seen at doses twice the MRHD and greater (see Animal Data). The estimated background risk for major birth defects and miscarriage is unknown for the indicated population. All pregnancies have a background risk of birth defect, loss, or other adverse outcomes.
In the U.S. general population, the estimated background risk of major birth defects and of miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. Clinical Considerations Disease-Associated Maternal and/or Embryo/Fetal Risk: A prospective, longitudinal study followed 201 pregnant women with a history of major depressive disorder who were euthymic and taking antidepressants during pregnancy at the beginning of pregnancy. The women who discontinued antidepressants during pregnancy were more likely to experience a relapse of major depression than women who continued antidepressants.
Consider the risks to the mother of untreated depression and potential effects on the fetus when discontinuing or changing treatment with antidepressant medications during pregnancy and postpartum. Data Human Data: Data from the international bupropion Pregnancy Registry (675 first trimester exposures) and a retrospective cohort study using the United Healthcare database (1,213 first trimester exposures) did not show an increased risk for malformations overall. The Registry was not designed or powered to evaluate specific defects but suggested a possible increase in cardiac malformations.
No increased risk for cardiovascular malformations overall has been observed after bupropion exposure during the first trimester. The prospectively observed rate of cardiovascular malformations in pregnancies with exposure to bupropion in the first trimester from the international Pregnancy Registry was 1.3% (9 cardiovascular malformations/675 first trimester maternal bupropion exposures), which is similar to the background rate of cardiovascular malformations (approximately 1%). Data from the United Healthcare database, which had a limited number of exposed cases with cardiovascular malformations, and a case-control study (6,853 infants with cardiovascular malformations and 5,763 with non-cardiovascular malformations) of self-reported bupropion use from the National Birth Defects Prevention Study (NBDPS) did not show an increased risk for cardiovascular malformations overall after bupropion exposure during the first trimester.
Study findings on bupropion exposure during the first trimester and risk for left ventricular outflow tract obstruction (LVOTO) are inconsistent and do not allow conclusions regarding a possible association. The United Healthcare database lacked sufficient power to evaluate this association; the NBDPS found increased risk for LVOTO (n = 10; adjusted OR = 2.6; 95% CI: 1.2, 5.7), and the Slone Epidemiol… [Excerpted — this section continues on DailyMed.]
🆘 Overdosage ▾
10.1Human Overdose Experience Overdoses of up to 30 grams or more of bupropion have been reported. Seizure was reported in approximately one-third of all cases. Other serious reactions reported with overdoses of bupropion alone included hallucinations, loss of consciousness, mental status changes, sinus tachycardia, ECG changes such as conduction disturbances (including QRS prolongation) or arrhythmias, clonus, myoclonus, and hyperreflexia.
Fever, muscle rigidity, rhabdomyolysis, hypotension, stupor, coma, and respiratory failure have been reported mainly when bupropion was part of multiple drug overdoses. Although most patients recovered without sequelae, deaths associated with overdoses of bupropion alone have been reported in patients ingesting large doses of the drug. Multiple uncontrolled seizures, bradycardia, cardiac failure, and cardiac arrest prior to death were reported in these patients.
10.2Overdosage Management Consult a Certified Poison Control Center for up-to-date guidance and advice. Telephone numbers for certified poison control centers are listed in the Physician’s Desk Reference (PDR). Call 1-800-222-1222 or refer to WWW.POISON.ORG.
There are no known antidotes for bupropion. In case of an overdose, provide supportive care, including close medical supervision and monitoring. Consider the possibility of multiple drug overdose.
Ensure an adequate airway, oxygenation, and ventilation. Monitor cardiac rhythm and vital signs. Induction of emesis is not recommended.
🧬 Clinical Pharmacology ▾
12.1Mechanism of Action The exact mechanism of the antidepressant action of bupropion is not known but is presumed to be related to noradrenergic and/or dopaminergic mechanisms. Bupropion is a relatively weak inhibitor of the neuronal reuptake of norepinephrine and dopamine and does not inhibit the reuptake of serotonin. Bupropion does not inhibit monoamine oxidase.
12.3Pharmacokinetics Bupropion is a racemic mixture. The pharmacological activity and pharmacokinetics of the individual enantiomers have not been studied. The mean elimination half-life (±SD) of bupropion after chronic dosing is 21 (±9) hours, and steady-state plasma concentrations of bupropion are reached within 8 days.
Absorption The absolute bioavailability of bupropion hydrochloride tablets in humans has not been determined because an intravenous formulation for human use is not available. However, it appears likely that only a small proportion of any orally administered dose reaches the systemic circulation intact. In rat and dog studies, the bioavailability of bupropion ranged from 5% to 20%.
In humans, following oral administration of bupropion hydrochloride tablets, peak plasma bupropion concentrations are usually achieved within 2 hours. Plasma bupropion concentrations are dose-proportional following single doses of 100 to 250 mg; however, it is not known if the proportionality between dose and plasma level is maintained in chronic use. Distribution In vitro tests show that bupropion is 84% bound to human plasma proteins at concentrations up to 200 mcg/mL.
The extent of protein binding of the hydroxybupropion metabolite is similar to that for bupropion, whereas the extent of protein binding of the threohydrobupropion metabolite is about half that seen with bupropion. Metabolism Bupropion is extensively metabolized in humans. Three metabolites are active: hydroxybupropion, which is formed via hydroxylation of the tert-butyl group of bupropion, and the amino-alcohol isomers threohydrobupropion and erythrohydrobupropion, which are formed via reduction of the carbonyl group.
In vitro findings suggest that CYP2B6 is the principal isoenzyme involved in the formation of hydroxybupropion, while cytochrome P450 enzymes are not involved in the formation of threohydrobupropion. Oxidation of the bupropion side chain results in the formation of a glycine conjugate of meta-chlorobenzoic acid, which is then excreted as the major urinary metabolite. The potency and toxicity of the metabolites relative to bupropion have not been fully characterized.
However, it has been demonstrated in an antidepressant screening test in mice that hydroxybupropion is one-half as potent as bupropion, while threohydrobupropion and erythrohydrobupropion are 5-fold less potent than bupropion. This may be of clinical importance because the plasma concentrations of the metabolites are as high as or higher than those of bupropion. Following a single dose in humans, peak plasma concentrations of hydroxybupropion occur approximately 3 hours after administration of bupropion hydrochloride tablets and are approximately 10 times the peak level of the parent drug at steady state.
The elimination half-life of hydroxybupropion is approximately 20 (±5) hours, and its AUC at steady state is about 17 times that of bupropion. The times to peak concentrations for the erythrohydrobupropion and threohydrobupropion metabolites are similar to that of the hydroxybupropion metabolite. However, their elimination half-lives are longer, 33 (±10) and 37 (±13) hours, respectively, and steady-state AUCs are 1.5 and 7 times that of bupropion, respectively.
Bupropion and its metabolites exhibit linear kinetics following chronic administration of 300 to 450 mg/day. Elimination Following oral administration of 200 mg of 14C-bupropion in humans, 87% and 10% of the radioactive dose were recovered in the urine and feces, respectively. Only 0.5% of the oral dose was excreted as unchanged bupropion.
Specific Populations Factor… [Excerpted — this section continues on DailyMed.]
📦 How Supplied / Storage and Handling ▾
Bupropion hydrochloride tablets, USP 75 mg are available for oral administration as orange, round, unscored, film coated tablets, imprinted "APO" on one side and "BU" over "75" on the other side. They are supplied as follows: Bottles of 30 (NDC 60505-0158-3) Bottles of 90 (NDC 60505-0158-9) Bottles of 100 (NDC 60505-0158-1) Bottles of 500 (NDC 60505-0158-5) Bottles of 1,000 (NDC 60505-0158-7) Bupropion hydrochloride tablets, USP 100 mg are available for oral administration as purple, round, unscored, film coated tablets, imprinted "APO" on one side and "BUP" over "100" on the other side.
They are supplied as follows: Bottles of 30 (NDC 72189-457-30) Bottles of 90 (NDC 60505-0157-9) Bottles of 100 (NDC 60505-0157-1) Bottles of 500 (NDC 60505-0157-5) Bottles of 1,000 (NDC 60505-0157-7)
📦 Storage and Handling ▾
Store at 20ºC to 25ºC (68ºF to 77ºF); excursions permitted from 15ºC to 30ºC (59ºF to 86ºF) [see USP Controlled Room Temperature]. Protect from moisture. Store in a tight, light resistant container [see USP].
📋 Description ▾
Bupropion hydrochloride, an antidepressant of the aminoketone class, is chemically unrelated to tricyclic, tetracyclic, selective serotonin re-uptake inhibitor, or other known antidepressant agents. Its structure closely resembles that of diethylpropion; it is related to phenylethylamines. It is designated as (±)-1-(3-chlorophenyl)-2-[(1,1-dimethylethyl)amino]-1-propanone hydrochloride.
The molecular weight is 276.21 g/mol. The molecular formula is C13H18ClNO•HCl. Bupropion hydrochloride powder is white to off-white crystalline, and highly soluble in water.
It has a bitter taste and produces the sensation of local anesthesia on the oral mucosa. The structural formula is: [structure] Bupropion hydrochloride is supplied for oral administration as 75-mg (orange) and 100-mg (purple) film-coated tablets. Each tablet contains the labeled amount of bupropion hydrochloride and the following inactive ingredients: 75-mg tablet –colloidal silicon dioxide, crospovidone, FD&C Yellow #6 Aluminum Lake, fumaric acid granular, hydroxypropyl cellulose, hypromellose, magnesium stearate, methylcellulose, polyethylene glycol and titanium dioxide.
100-mg tablet –colloidal silicon dioxide, crospovidone, D&C Red #7 Calcium Lake, fumaric acid granular, hydroxypropyl cellulose, hypromellose, magnesium stearate, methylcellulose, polyethylene glycol and titanium dioxide.
💬 Medication Guide ▾
Bupropion Hydrochloride Tablets, USP (bue proe' pee on hye'' droe klor' ide). Medication Guide available at https://www.apotex.com/products/us/mg.asp IMPORTANT: Be sure to read the three sections of this Medication Guide. The first section is about the risk of suicidal thoughts and actions with antidepressant medicines; the second section is about the risk of changes in thinking and behavior, depression and suicidal thoughts or actions with medicines used to quit smoking; and the third section is entitled "What Other Important Information Should I Know About Bupropion Hydrochloride Tablets?" Antidepressant Medicines, Depression and Other Serious Mental Illnesses, and Suicidal Thoughts or Actions This section of the Medication Guide is only about the risk of suicidal thoughts and actions with antidepressant medicines.
What is the most important information I should know about antidepressant medicines, depression and other serious mental illnesses, and suicidal thoughts or actions? 1. Antidepressant medicines may increase the risk of suicidal thoughts or actions in some children, teenagers, or young adults within the first few months of treatment.
2. Depression or other serious mental illnesses are the most important causes of suicidal thoughts and actions. Some people may have a particularly high risk of having suicidal thoughts or actions.
These include people who have (or have a family history of) bipolar illness (also called manic-depressive illness) or suicidal thoughts or actions. 3. How can I watch for and try to prevent suicidal thoughts and actions in myself or a family member?
Pay close attention to any changes, especially sudden changes, in mood, behaviors, thoughts, or feelings. This is very important when an antidepressant medicine is started or when the dose is changed. Call your healthcare provider right away to report new or sudden changes in mood, behavior, thoughts, or feelings.
Keep all follow-up visits with your healthcare provider as scheduled. Call the healthcare provider between visits as needed, especially if you have concerns about symptoms. Call your healthcare provider right away if you or your family member has any of the following symptoms, especially if they are new, worse, or worry you: thoughts about suicide or dying attempts to commit suicide new or worse depression new or worse anxiety feeling very agitated or restless panic attacks trouble sleeping (insomnia) new or worse irritability acting aggressive, being angry, or violent acting on dangerous impulses an extreme increase in activity and talking (mania) other unusual changes in behavior or mood What else do I need to know about antidepressant medicines?
Never stop an antidepressant medicine without first talking to a healthcare provider. Stopping an antidepressant medicine suddenly can cause other symptoms. Antidepressants are medicines used to treat depression and other illnesses.
It is important to discuss all the risks of treating depression and also the risks of not treating it. Patients and their families or other caregivers should discuss all treatment choices with the healthcare provider, not just the use of antidepressants. Antidepressant medicines have other side effects.
Talk to the healthcare provider about the side effects of the medicine prescribed for you or your family member. Antidepressant medicines can interact with other medicines. Know all of the medicines that you or your family member takes.
Keep a list of all medicines to show the healthcare provider. Do not start new medicines without first checking with your healthcare provider. It is not known if bupropion hydrochloride tablets are safe and effective in children under the age of 18.
Quitting Smoking, Quit-Smoking Medications, Changes in Thinking and Behavior, Depression, and Suicidal Thoughts or Actions This section of the Medication Guide is only about the risk of changes in thinking and behavior, depression and suicidal thoughts or actions with drugs used to quit… [Excerpted — this section continues on DailyMed.]
🔬 Clinical Studies ▾
The efficacy of bupropion hydrochloride tablets in the treatment of major depressive disorder was established in two 4-week, placebo-controlled trials in adult inpatients with MDD (Trials 1 and 2 in Table 4) and in one 6-week, placebo-controlled trial in adult outpatients with MDD (Trial 3 in Table 4). In the first trial, the dose range of bupropion hydrochloride tablets was 300 mg to 600 mg/day administered in 3 divided doses; 78% of subjects were treated with doses of 300 mg to 450 mg/day. The trial demonstrated the efficacy of bupropion hydrochloride tablets as measured by the Hamilton Depression Rating Scale (HDRS) total score, the HDRS depressed mood item (Item 1), and the Clinical Global Impressions-severity score (CGI-S).
The second trial included 2 doses of bupropion hydrochloride tablets (300 and 450 mg/day) and placebo. This trial demonstrated the effectiveness of bupropion hydrochloride tablets for only the 450-mg/day dose. The efficacy results were statistically significant for the HDRS total score and the CGI-S score, but not for HDRS Item 1.
In the third trial, outpatients were treated with 300 mg/day of bupropion hydrochloride tablets. This trial demonstrated the efficacy of bupropion hydrochloride tablets as measured by the HDRS total score, the HDRS Item 1, the Montgomery-Asberg Depression Rating Scale (MADRS), the CGI-S score, and the CGI-Improvement Scale (CGI-I) score. Effectiveness of bupropion hydrochloride tablets in long-term use, that is, for more than 6 weeks, has not been systematically evaluated in controlled trials.
Table 4. Efficacy of Bupropion Hydrochloride Tablets for the Treatment of Major Depressive Disorder Trial Number Treatment Group Primary Efficacy Measure: HDRS Mean Baseline Score (SD) LS Mean Score at Endpoint Visit (SE) Placebo-subtracted Differencea (95%CI) Trial 1 Bupropion Hydrochloride Tablets 300-600 mg/dayb (n = 48) 28.5 (5.1) 14.9 (1.3) -4.7 (-8.8, -0.6) Placebo (n = 27) 29.3 (7.0) 19.6 (1.6) - Mean Baseline Score (SD) LS Mean Change from Baseline (SE) Placebo-subtracted Differencea (95%CI) Trial 2 Bupropion Hydrochloride Tablets 300 mg/day (n = 36) 32.4 (5.9) -15.5 (1.7) -4.1 Bupropion Hydrochloride Tablets 450 mg/dayb (n = 34) 34.8 (4.6) -17.4 (1.7) -5.9 (-10.5, -1.4) Placebo (n=39) 32.9 (5.4) -11.5 (1.6) - Trial 3 Bupropion Hydrochloride Tablets 300 mg/dayb (n = 110) 26.5 (4.3) -12.0 (NA) -3.9 (-5.7, -1.0) Placebo (n = 106) 27.0 (3.5) -8.7 (NA) - n: sample size; SD: standard deviation; SE: standard error; LS Mean: least-squares mean; CI: unadjusted confidence interval included for doses that were demonstrated to be effective; NA: not available. a Difference (drug minus placebo) in least-squares estimates with respect to the primary efficacy parameter.
For Trial 1, it refers to the mean score at the endpoint visit; for Trials 2 and 3, it refers to the mean change from baseline to the endpoint visit. b Doses that are demonstrated to be statistically significantly superior to placebo.
🔒 Drug Abuse and Dependence ▾
9.1Controlled Substance Bupropion is not a controlled substance.
9.2Abuse Humans Controlled clinical trials conducted in normal volunteers, in subjects with a history of multiple drug abuse, and in depressed subjects showed some increase in motor activity and agitation/excitement, often typical of central stimulant activity. In a population of individuals experienced with drugs of abuse, a single oral dose of 400 mg of bupropion produced mild amphetamine-like activity as compared with placebo on the Morphine-Benzedrine Subscale of the Addiction Research Center Inventories (ARCI) and a score greater than placebo but less than 15 mg of the Schedule II stimulant dextroamphetamine on the Liking Scale of the ARCI.
These scales measure general feelings of euphoria and drug liking which are often associated with abuse potential. Findings in clinical trials, however, are not known to reliably predict the abuse potential of drugs. Nonetheless, evidence from single-dose trials does suggest that the recommended daily dosage of bupropion when administered orally in divided doses is not likely to be significantly reinforcing to amphetamine or CNS stimulant abusers.
However, higher doses (which could not be tested because of the risk of seizure) might be modestly attractive to those who abuse CNS stimulant drugs. Bupropion hydrochloride tablets are intended for oral use only. The inhalation of crushed tablets or injection of dissolved bupropion has been reported.
Seizures and/or cases of death have been reported when bupropion has been administered intranasally or by parenteral injection. Animals Studies in rodents and primates demonstrated that bupropion exhibits some pharmacologic actions common to psychostimulants. In rodents, it has been shown to increase locomotor activity, elicit a mild stereotyped behavior response, and increase rates of responding in several schedule-controlled behavior paradigms.
In primate models assessing the positive-reinforcing effects of psychoactive drugs, bupropion was self-administered intravenously. In rats, bupropion produced amphetamine-like and cocaine-like discriminative stimulus effects in drug discrimination paradigms used to characterize the subjective effects of psychoactive drugs.
🧪 Nonclinical Toxicology ▾
13.1Carcinogenesis, Mutagenesis, Impairment of Fertility Lifetime carcinogenicity studies were performed in rats and mice at bupropion doses up to 300 and 150 mg/kg/day, respectively. These doses are approximately 6 and 2 times the MRHD, respectively, on a mg/m2 basis. In the rat study there was an increase in nodular proliferative lesions of the liver at doses of 100 to 300 mg/kg/day (approximately 2 to 6 times the MRHD on a mg/m2 basis); lower doses were not tested.
The question of whether or not such lesions may be precursors of neoplasms of the liver is currently unresolved. Similar liver lesions were not seen in the mouse study, and no increase in malignant tumors of the liver and other organs was seen in either study. Bupropion produced a positive response (2 to 3 times control mutation rate) in 2 of 5 strains in the Ames bacterial mutagenicity assay.
Bupropion produced an increase in chromosomal aberrations in 1 of 3 in vivo rat bone marrow cytogenetic studies. There were no effects on male and female fertility when rats were administered oral doses of bupropion up to 300 mg/kg/day (approximately 6 times the MRHD on a mg/m2 basis) to females prior to mating and either through Day 13 of gestation or through lactation, and to males for 60 days prior to and through mating. However, doses of 200 mg/kg/day (approximately 4 times the MRHD on a mg/m2 basis) or greater, caused transient ataxia or behavioral changes in adult female rats.
There were also no adverse effects on fertility, reproduction, or growth and development of male or female offspring.
📄 Package Label / Principal Display Panel ▾
72189-457-30
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