RIZATRIPTAN BENZOATE 10 mg Tablet, 12-count
Other active recalls for Rizatriptan Benzoate (different manufacturers) — 6 · tap to view
🆔 Identity & classification
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🏷️ RxNorm drug class
This medicine belongs to the Serotonin-1b and Serotonin-1d Receptor Agonist class.
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🏭 Manufacturer & labeler
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🩺 Clinical
- Rizatriptan stops a migraine that's already started — it's not a preventive medication. You take it when a migraine hits, and it works by narrowing blood vessels in the brain and q...
- What exactly does rizatriptan do — will it prevent my migraines?
- Take it as soon as you recognize a migraine coming on — the earlier the better. You don't have to wait until the pain is severe. If the headache goes away and then comes back, you...
- When should I take it — right when the headache starts, or should I wait?
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Supplement & herbal interactions
Some supplements/herbs that may interact with Rizatriptan Benzoate — tap one for details:
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💊 What it looks like
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🧪 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.
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UNII 1K09F3G675
Ferric oxide red is an inorganic iron compound used as a colorant in medicines. It gives tablets, capsules, or other dosage forms a red or reddish tint for identification and appearance.
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UNII EWQ57Q8I5X
Lactose monohydrate is a natural sugar derived from milk. It serves as a filler and binder in tablets and capsules, helping create the proper size, texture, and consistency of the medicine.
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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 OP1R32D61U
Microcrystalline cellulose is a purified form of cellulose, a natural fiber from plant sources. It acts as a binder and filler in tablets and capsules, helping hold ingredients together and give the medicine its shape and size.
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UNII O8232NY3SJ
A plant-based carbohydrate derived from corn kernels. It acts as a filler to add bulk, a binder to hold ingredients together, and a disintegrant to help the tablet break apart in your stomach for absorption.
5 inactive ingredients listed in the exact product block matched to this NDC.
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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.Inactive ingredient FAQ
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💲 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 | $0.9419 | $11.30 / 12 tablets |
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🔁 Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Rizatriptan Benzoate 10 mg 00093-7472-43 | Teva | 18 tablets | $0.335 | AB | Availability likely | — |
| Rizatriptan Benzoate 10 mg 57237-0088-34 | Rising | 12 tablets | $0.335 | AB | Availability likely | — |
| Rizatriptan Benzoate 10 mg 65862-0600-12 | Aurobindo | 12 tablets | $0.335 | AB | Availability likely | — |
| Rizatriptan Benzoate 10 mg 69097-0866-17 | Cipla | 6 tablets | $0.366 | — | FDA listed | — |
| Maxalt 10 mg 78206-0142-01 | Organon | 18 tablets | $44.477 | AB | Availability likely | — |
| Rizatriptan Benzoate 10 mg 29300-0317-21 | Unichem | 12 tablets | — | — | FDA listed | — |
| Rizatriptan 10 mg 33342-0088-07 | Macleods | 30 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mg 50090-3343-00 | A-S | 18 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mg 50090-3367-00 | A-S | 18 tablets | — | AB | FDA listed | — |
| Rizatriptan 10 mg 50090-7747-00 | A-S | 6 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mg 51407-0682-12 | Golden | 12 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mg 61919-0656-12 | DIRECT | 12 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mg 67877-0262-01 | Ascend | 100 tablets | — | AB | FDA listed | — |
| rizatriptan benzoate 10 mg 68462-0466-72 | Glenmark | 12 tablets | — | — | FDA listed | — |
| Rizatriptan Benzoate 10 mg 71205-0644-12 | Proficient | 12 tablets | — | AB | FDA listed | — |
| Rizatriptan 10 mg 71335-1352-01 | Bryant | 10 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mg 71335-1912-01 | Bryant | 10 tablets | — | AB | FDA listed | — |
| Rizatriptan 10 mg 71335-2980-01 | Bryant | 12 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mgthis 72189-0258-12 | direct | 12 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mg 72189-0447-18 | Direct_Rx | 18 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mg 82619-0112-01 | Creekwood | 30 tablets | — | AB | FDA listed | — |
| Rizatriptan Benzoate 10 mg 82804-0202-12 | Proficient | 12 tablets | — | AB | FDA listed | — |
Where does this data come from?
⏳ 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?
📊 Medicare Part D spend CMS · PART D · 2026 (Q1)
📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 72189-0258-12 You're viewing this | 12 TABLET in 1 BOTTLE (72189-258-12) | 2021-08-10 | Active |
| 72189-0258-18 | 18 TABLET in 1 BLISTER PACK (72189-258-18) | 2021-08-10 | Active |
You're viewing the smallest of 2 pack sizes for this product.
Pack size FAQ
What quantity is in NDC 72189-0258-12?
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🧭 About this NDC listing & data coverage
What data is (and isn’t) available for this NDC — tap to expand
| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | ✓ Available |
| Inactive ingredients (structured) | ✓ Available |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | ✓ Available |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |
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📄 Full prescribing information FDA SPL
🎯 Indications and Usage ▾
Rizatriptan benzoate tablets are indicated for the acute treatment of migraine with or without aura in adults and in pediatric patients 6 to 17 years old. Information related to usage of rizatriptan benzoate in pediatric patients (6 to 17 years old) is approved for Merck & Co., Inc.’s Rizatriptan Benzoate Tablets. However, due to Merck & Co., Inc.’s marketing exclusivity rights, this drug product is not labeled with that pediatric patient (6 to 17 years old) usage information.
Limitations of Use Rizatriptan benzoate tablets should only be used where a clear diagnosis of migraine has been established. If a patient has no response for the first migraine attack treated with rizatriptan benzoate, the diagnosis of migraine should be reconsidered before rizatriptan benzoate tablet is administered to treat any subsequent attacks. Rizatriptan benzoate tablets are not indicated for use in the management of hemiplegic or basilar migraine [see CONTRAINDICATIONS (4)].
Rizatriptan benzoate tablets are not indicated for the prevention of migraine attacks. Safety and effectiveness of rizatriptan benzoate tablets have not been established for cluster headache.
⏱️ Dosage and Administration ▾
2.1Dosing Information in Adults The recommended starting dose of rizatriptan benzoate tablets is either 5 mg or 10 mg for the acute treatment of migraines in adults. The 10 mg dose may provide a greater effect than the 5 mg dose, but may have a greater risk of adverse reactions [see CLINICAL STUDIES (14.1)]. Redosing in Adults Although the effectiveness of a second dose or subsequent doses has not been established in placebo-controlled trials, if the migraine headache returns, a second dose may be administered 2 hours after the first dose.
The maximum daily dose should not exceed 30 mg in any 24-hour period. The safety of treating, on average, more than four headaches in a 30-day period has not been established.
2.2Dosing Information in Pediatric Patients (Age 6 to 17 Years) Information related to dosage of rizatriptan benzoate in pediatric patients (6 to 17 years old) is approved for Merck & Co., Inc.’s Rizatriptan Benzoate Tablets. However, due to Merck & Co., Inc.’s marketing exclusivity rights, this drug product is not labeled with that dosage information.
2.4Dosage Adjustment for Patients on Propranolol Adult Patients In adult patients taking propranolol, only the 5 mg dose of rizatriptan benzoate tablet is recommended, up to a maximum of 3 doses in any 24-hour period (15 mg) [see DRUG INTERACTIONS (7.1) and CLINICAL PHARMACOLOGY (12.3)]. Pediatric Patients Dosage adjustment information of rizatriptan benzoate for pediatric patients (6 to 17 years old) taking propranolol is approved for Merck & Co., Inc.’s Rizatriptan Benzoate Tablets. However, due to Merck & Co., Inc.’s marketing exclusivity rights, this drug product is not labeled with that dosage adjustment information.
💊 Dosage Forms and Strengths ▾
Rizatriptan benzoate tablets 5 mg, are pale pink to pink colored biconvex, capsule-shaped, uncoated tablets debossed with '414' on one side and 'C' on other side. Rizatriptan benzoate tablets 10 mg, are pale pink to pink colored biconvex, capsule-shaped, uncoated tablets debossed with '415' on one side and 'C' on other side.
⛔ Contraindications ▾
Rizatriptan benzoate tablets are contraindicated in patients with: Ischemic coronary artery disease (angina pectoris, history of myocardial infarction, or documented silent ischemia), or other significant underlying cardiovascular disease [see WARNINGS AND PRECAUTIONS (5.1)]. Coronary artery vasospasm including Prinzmetal's angina [see WARNINGS AND PRECAUTIONS (5.1)]. History of stroke or transient ischemic attack (TIA) [see WARNINGS AND PRECAUTIONS (5.4)].
Peripheral vascular disease (PVD) [see WARNINGS AND PRECAUTIONS (5.5)]. Ischemic bowel disease [see WARNINGS AND PRECAUTIONS (5.5)]. Uncontrolled hypertension [see WARNINGS AND PRECAUTIONS (5.8)].
Recent use (i.e., within 24 hours) of another 5-HT1 agonist, ergotamine-containing medication, or ergot-type medication (such as dihydroergotamine or methysergide) [see DRUG INTERACTIONS (7.2 and 7.3)]. Hemiplegic or basilar migraine. Concurrent administration or recent discontinuation (i.e., within 2 weeks) of a MAO-A inhibitor [see DRUG INTERACTIONS (7.5) and CLINICAL PHARMACOLOGY (12.3)].
Hypersensitivity to rizatriptan benzoate tablets or rizatriptan benzoate orally disintegrating tablets (angioedema and anaphylaxis seen) [see ADVERSE REACTIONS (6.2)].
⚠️ Warnings and Cautions ▾
5.1Myocardial Ischemia, Myocardial Infarction, and Prinzmetal's Angina Rizatriptan benzoate should not be given to patients with ischemic or vasospastic coronary artery disease. There have been rare reports of serious cardiac adverse reactions, including acute myocardial infarction, occurring within a few hours following administration of rizatriptan benzoate. Some of these reactions occurred in patients without known coronary artery disease (CAD).
5-HT1 agonists including rizatriptan benzoate may cause coronary artery vasospasm (Prinzmetal's Angina), even in patients without a history of CAD. Triptan-naïve patients who have multiple cardiovascular risk factors (e.g., increased age, diabetes, hypertension, smoking, obesity, strong family history of CAD) should have a cardiovascular evaluation prior to receiving rizatriptan benzoate. If there is evidence of CAD or coronary artery vasospasm, rizatriptan benzoate should not be administered [see CONTRAINDICATIONS (4)].
For patients who have a negative cardiovascular evaluation, consideration should be given to administration of the first rizatriptan benzoate dose in a medically-supervised setting and performing an electrocardiogram (ECG) immediately following rizatriptan benzoate administration. Periodic cardiovascular evaluation should be considered in intermittent long-term users of rizatriptan benzoate who have cardiovascular risk factors.
5.2Arrhythmias Life-threatening disturbances of cardiac rhythm, including ventricular tachycardia and ventricular fibrillation leading to death, have been reported within a few hours following the administration of 5-HT1 agonists. Discontinue rizatriptan benzoate if these disturbances occur.
5.3Chest, Throat, Neck and/or Jaw Pain/Tightness/Pressure As with other 5-HT1 agonists, sensations of tightness, pain, pressure, and heaviness in the precordium, throat, neck and jaw commonly occur after treatment with rizatriptan benzoate tablets and are usually non-cardiac in origin. However, if a cardiac origin is suspected, patients should be evaluated. Patients shown to have CAD and those with Prinzmetal's variant angina should not receive 5-HT1 agonists.
5.4Cerebrovascular Events Cerebral hemorrhage, subarachnoid hemorrhage, and stroke have occurred in patients treated with 5-HT1 agonists, and some have resulted in fatalities. In a number of cases, it appears possible that the cerebrovascular events were primary, the 5-HT1 agonist having been administered in the incorrect belief that the symptoms experienced were a consequence of migraine, when they were not. Also, patients with migraine may be at increased risk of certain cerebrovascular events (e.g., stroke, hemorrhage, transient ischemic attack).
Discontinue rizatriptan benzoate if a cerebrovascular event occurs. As with other acute migraine therapies, before treating headaches in patients not previously diagnosed as migraineurs, and in migraineurs who present with atypical symptoms, care should be taken to exclude other potentially serious neurological conditions. Rizatriptan benzoate should not be administered to patients with a history of stroke or transient ischemic attack [see CONTRAINDICATIONS (4)].
5.5Other Vasospasm Reactions 5-HT1 agonists, including rizatriptan benzoate, may cause non-coronary vasospastic reactions, such as peripheral vascular ischemia, gastrointestinal vascular ischemia and infarction (presenting with abdominal pain and bloody diarrhea), splenic infarction, and Raynaud's syndrome. In patients who experience symptoms or signs suggestive of non-coronary vasospasm reaction following the use of any 5-HT1 agonist, the suspected vasospasm reaction should be ruled out before receiving additional rizatriptan benzoate doses.
Reports of transient and permanent blindness and significant partial vision loss have been reported with the use of 5-HT1 agonists. Since visual disorders may be part of a migraine attack, a causal relationship between these events and the use of 5-HT1…
🤒 Adverse Reactions ▾
The following adverse reactions are discussed in more detail in other sections of the labeling: Myocardial Ischemia, Myocardial Infarction, and Prinzmetal's Angina [see WARNINGS AND PRECAUTIONS (5.1)]. Arrhythmias [see WARNINGS AND PRECAUTIONS (5.2)]. Chest and or Throat, Neck and/or Jaw Pain/Tightness/Pressure [see WARNINGS AND PRECAUTIONS (5.3)].
Cerebrovascular Events [see WARNINGS AND PRECAUTIONS (5.4)]. Other Vasospasm Reactions [see WARNINGS AND PRECAUTIONS (5.5)]. Medication Overuse Headache [see WARNINGS AND PRECAUTIONS (5.6)].
Serotonin Syndrome [see WARNINGS AND PRECAUTIONS (5.7)]. Increase in Blood Pressure [see WARNINGS AND PRECAUTIONS (5.8)].
6.1Clinical Trials Experience Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in practice. Adults Incidence in Controlled Clinical Trials Adverse reactions to rizatriptan benzoate were assessed in controlled clinical trials that included over 3700 adult patients who received single or multiple doses of rizatriptan benzoate tablets.
The most common adverse reactions during treatment with rizatriptan benzoate (≥5% in either treatment group and greater than placebo) were asthenia/fatigue, somnolence, pain/pressure sensation and dizziness. These adverse reactions appeared to be dose related. Table 1 lists the adverse reactions (incidence ≥2% and greater than placebo) after a single dose of rizatriptan benzoate in adults.
Table 1: Incidence ( ≥2% and Greater than Placebo) of Adverse Reactions After a Single Dose of Rizatriptan Benzoate Tablets or Placebo in Adults % of Patients Adverse Reactions Rizatriptan Benzoate 5 mg Rizatriptan Benzoate 10 mg Placebo (N=977) (N=1167) (N=627) Atypical Sensations 4 5 4 Paresthesia 3 4 <2 Pain and other Pressure Sensations 6 9 3 Chest Pain: tightness/pressure and/or heaviness <2 3 1 Neck/throat /jaw: pain/tightness/pressure <2 2 1 Regional Pain: tightness/pressure and/or heaviness <1 2 0 Pain, location unspecified 3 3 <2 Digestive 9 13 8 Dry Mouth 3 3 1 Nausea 4 6 4 Neurological 14 20 11 Dizziness 4 9 5 Headache <2 2 <1 Somnolence 4 8 4 Other Asthenia/fatigue 4 7 2 The frequencies of adverse reactions in clinical trials did not increase when up to three doses were taken within 24 hours.
Adverse reaction frequencies were also unchanged by concomitant use of drugs commonly taken for migraine prophylaxis (including propranolol), oral contraceptives, or analgesics. The incidences of adverse reactions were not affected by age or gender. There were insufficient data to assess the impact of race on the incidence of adverse reactions.
Other Events Observed in Association with the Administration of Rizatriptan Benzoate in Adults In the following section, the frequencies of less commonly reported adverse events are presented that were not reported in other sections of the labeling. Because the reports include events observed in open studies, the role of rizatriptan benzoate in their causation cannot be reliably determined. Furthermore, variability associated with adverse event reporting, the terminology used to describe adverse events, limit the value of the quantitative frequency estimates provided.
Event frequencies are calculated as the number of patients who used rizatriptan benzoate and reported an event divided by the total number of patients exposed to rizatriptan benzoate (N=3716). All reported events occurred at an incidence ≥1%, or are believed to be reasonably associated with the use of the drug. Events are further classified within body system categories and enumerated in order of decreasing frequency using the following definitions: frequent adverse events are those defined as those occurring in at least (>)1/100 patients; infrequent adverse experiences are those occurring in 1/100 to 1/1000 patients; and rare adverse experiences are those…
🔄 Drug Interactions ▾
7.1Propranolol The dose of rizatriptan benzoate tablets should be adjusted in propranolol-treated patients, as propranolol has been shown to increase the plasma AUC of rizatriptan by 70% [see DOSAGE AND ADMINISTRATION (2.4) and CLINICAL PHARMACOLOGY (12.3)].
7.2Ergot-Containing Drugs Ergot-containing drugs have been reported to cause prolonged vasospastic reactions. Because these effects may be additive, use of ergotamine-containing or ergot-type medications (like dihydroergotamine or methysergide) and rizatriptan benzoate tablets within 24 hours is contraindicated [see CONTRAINDICATIONS (4)].
7.3Other 5-HT1 Agonists Because their vasospastic effects may be additive, co-administration of rizatriptan benzoate and other 5-HT1 agonists within 24 hours of each other is contraindicated [see CONTRAINDICATIONS (4)].
7.4SSRIs/SNRIs and Serotonin Syndrome Cases of serotonin syndrome have been reported during co-administration of triptans and selective serotonin reuptake inhibitors (SSRIs) or serotonin norepinephrine reuptake inhibitors (SNRIs) [see WARNINGS AND PRECAUTIONS (5.7)].
7.5Monoamine Oxidase Inhibitors Rizatriptan benzoate is contraindicated in patients taking MAO-A inhibitors and non-selective MAO inhibitors. A specific MAO-A inhibitor increased the systemic exposure of rizatriptan and its metabolite [see CONTRAINDICATIONS (4) and CLINICAL PHARMACOLOGY (12.3)].
👥 Use in Specific Populations ▾
8.1Pregnancy Pregnancy Category C There are no adequate and well-controlled studies in pregnant women. Rizatriptan benzoate should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. In a general reproductive study in rats, birth weights and pre- and post-weaning weight gain were reduced in the offspring of females treated prior to and during mating and throughout gestation and lactation with doses of 10 and 100 mg/kg/day.
In a pre- and post-natal developmental toxicity study in rats, an increase in mortality of the offspring at birth and for the first three days after birth, a decrease in pre- and post-weaning weight gain, and decreased performance in a passive avoidance test (which indicates a decrease in learning capacity of the offspring) were observed at doses of 100 and 250 mg/kg/day. The no-effect dose for all of these effects was 5 mg/kg/day, associated with a maternal plasma exposure (AUC) approximately 7.5 times that in humans receiving the MRDD.
With doses of 100 and 250 mg/kg/day, the decreases in average weight of both the male and female offspring persisted into adulthood. All effects on the offspring in both studies occurred in the absence of any apparent maternal toxicity. In embryofetal development studies, no teratogenic effects were observed when pregnant rats and rabbits were administered doses of 100 and 50 mg/kg/day, respectively, during organogenesis.
Fetal weights were decreased in conjunction with decreased maternal weight gain at the highest doses tested. The developmental no-effect dose in these studies was 10 mg/kg/day in both rats and rabbits (maternal exposures approximately 15 times human exposure at the MRDD). Toxicokinetic studies demonstrated placental transfer of drug in both species.
8.3Nursing Mothers It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when rizatriptan benzoate is administered to a nursing woman. Rizatriptan is extensively excreted in rat milk, with levels in milk at least 5-fold higher than levels in maternal plasma.
8.4Pediatric Use Safety and effectiveness in pediatric patients under 6 years of age have not been established. Information related to the efficacy and safety of rizatriptan benzoate in the acute treatment of migraine in patients aged 6 to 17 years is approved for Merck & Co., Inc.’s Rizatriptan Benzoate Tablets. However, due to Merck & Co., Inc.’s marketing exclusivity rights, this drug product is not labeled with that information.[see Clinical Studies (14.2)].
8.5Geriatric Use Clinical studies of rizatriptan benzoate did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger patients. Although the pharmacokinetics of rizatriptan were similar in elderly (aged ≥65 years) and in younger adults (n=17), in general, dose selection for an elderly patient should be cautious, starting at the low end of the dosing range.
This reflects the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy. Geriatric patients who have other cardiovascular risk factors (e.g., diabetes, hypertension, smoking, obesity, strong family history of coronary artery disease) should have a cardiovascular evaluation prior to receiving rizatriptan benzoate [see WARNINGS AND PRECAUTIONS (5.1)].
🆘 Overdosage ▾
No overdoses of rizatriptan benzoate were reported during clinical trials in adults. Some adult patients who received 40 mg of rizatriptan benzoate either a single dose or as two doses with a 2-hour interdose interval had dizziness and somnolence. In a clinical pharmacology study in which 12 adult subjects received rizatriptan benzoate, at total cumulative doses of 80 mg (given within four hours), two of the subjects experienced syncope, dizziness, bradycardia including third degree AV block, vomiting, and/or incontinence.
In addition, based on the pharmacology of rizatriptan benzoate, hypertension or myocardial ischemia could occur after overdosage. Gastrointestinal decontamination, (i.e., gastric lavage followed by activated charcoal) should be considered in patients suspected of an overdose with rizatriptan benzoate. Clinical and electrocardiographic monitoring should be continued for at least 12 hours, even if clinical symptoms are not observed.
The effects of hemo- or peritoneal dialysis on serum concentrations of rizatriptan are unknown.
🧬 Clinical Pharmacology ▾
12.1Mechanism of Action Rizatriptan binds with high affinity to human cloned 5-HT1B/1D receptors. Rizatriptan benzoate presumably exerts its therapeutic effects in the treatment of migraine headache by binding to 5-HT1B/1D receptors located on intracranial blood vessels and sensory nerves of the trigeminal system.
12.3Pharmacokinetics Absorption Rizatriptan is completely absorbed following oral administration. The mean oral absolute bioavailability of the rizatriptan benzoate tablet is about 45%, and mean peak plasma concentrations (Cmax) are reached in approximately 1-1.5 hours (Tmax). The presence of a migraine headache did not appear to affect the absorption or pharmacokinetics of rizatriptan.
Food has no significant effect on the bioavailability of rizatriptan but delays the time to reach peak concentration by an hour. In clinical trials, rizatriptan benzoate tablets was administered without regard to food. The bioavailability and Cmax of rizatriptan were similar following administration of rizatriptan benzoate tablets and rizatriptan benzoate orally disintegrating tablets, but the rate of absorption is somewhat slower with rizatriptan benzoate orally disintegrating tablets, with Tmax delayed by up to 0.7 hour.
AUC of rizatriptan is approximately 30% higher in females than in males. No accumulation occurred on multiple dosing. Distribution The mean volume of distribution is approximately 140 liters in male subjects and 110 liters in female subjects.
Rizatriptan is minimally bound (14%) to plasma proteins. Metabolism The primary route of rizatriptan metabolism is via oxidative deamination by monoamine oxidase-A (MAO-A) to the indole acetic acid metabolite, which is not active at the 5-HT1B/1D receptor. N-monodesmethyl-rizatriptan, a metabolite with activity similar to that of parent compound at the 5-HT1B/1D receptor, is formed to a minor degree.
Plasma concentrations of N-monodesmethyl-rizatriptan are approximately 14% of those of parent compound, and it is eliminated at a similar rate. Other minor metabolites, the N-oxide, the 6-hydroxy compound, and the sulfate conjugate of the 6-hydroxy metabolite are not active at the 5-HT1B/1D receptor. Elimination The total radioactivity of the administered dose recovered over 120 hours in urine and feces was 82% and 12%, respectively, following a single 10 mg oral administration of 14C-rizatriptan.
Following oral administration of 14C-rizatriptan, rizatriptan accounted for about 17% of circulating plasma radioactivity. Approximately 14% of an oral dose is excreted in urine as unchanged rizatriptan while 51% is excreted as indole acetic acid metabolite, indicating substantial first pass metabolism. The plasma half-life of rizatriptan in males and females averages 2-3 hours.
Cytochrome P450 Isoforms Rizatriptan is not an inhibitor of the activities of human liver cytochrome P450 isoforms 3A4/5, 1A2, 2C9, 2C19, or 2E1; rizatriptan is a competitive inhibitor (Ki=1400 nM) of cytochrome P450 2D6, but only at high, clinically irrelevant concentrations. Special Populations Geriatric: Rizatriptan pharmacokinetics in healthy elderly non-migraineur volunteers (age 65-77 years) were similar to those in younger non-migraineur volunteers (age 18-45 years). Pediatric: Information related to the pharmacokinetics of rizatriptan in pediatric migraineurs 6 to 17 years of age is approved for Merck & Co., Inc.’s Rizatriptan Benzoate Tablets.
However, due to Merck & Co., Inc.’s marketing exclusivity rights, this drug product is not labeled with that information. Gender: The mean AUC 0-∞ and Cmax of rizatriptan (10 mg orally) were about 30% and 11% higher in females as compared to males, respectively, while Tmax occurred at approximately the same time. Hepatic impairment: Following oral administration in patients with hepatic impairment caused by mild to moderate alcoholic cirrhosis of the liver, plasma concentrations of rizatriptan were similar in patients with mild hepatic insufficiency compared to a…
📦 How Supplied / Storage and Handling ▾
NDC 72189-0126-18 is as follows Rizatriptan benzoate tablets 5 mg, are pale pink to pink colored biconvex, capsule-shaped, uncoated tablets debossed with '414' on one side and 'C' on other side. Rizatriptan benzoate tablets 10 mg, are pale pink to pink colored biconvex, capsule-shaped, uncoated tablets debossed with '415' on one side and 'C' on other side. NDC 72189-0258-12 is as follows Rizatriptan Benzoate Tablets USP, 5 mg are a pale pink-colored, circular, flat, beveled-edge uncoated tablets debossed with ‘X’ on one side and ‘13’ on other side.
The tablets may be mottled. Rizatriptan Benzoate Tablets USP, 10 mg are a pale pink-colored, circular, flat, beveled-edge uncoated tablets debossed with ‘X’ on one side and ‘14’ on other side. The tablets may be mottled.
Storage Store rizatriptan benzoate tablets at 20°C -25°C (68°F -77°F); excursions permitted to 15°C -30°C (59°F-86°F). [See USP Controlled Room Temperature]
📋 Description ▾
Rizatriptan benzoate tablets contains rizatriptan benzoate USP, a selective 5-hydroxytryptamine1B/1D (5-HT1B/1D) receptor agonist. Rizatriptan benzoate USP is described chemically as: N,N-dimethyl-5-(1H-1,2,4-triazol-1-ylmethyl)-1H-indole-3-ethanamine monobenzoate and its structural formula is: [Structure] Its molecular formula is C15H19N5•C7H6O2, representing a molecular weight of the free base of 269.4. Rizatriptan benzoate USP is a white to almost white, crystalline powder that is soluble in water and methanol, slightly soluble in isopropyl alcohol.
Rizatriptan benzoate tablets are available for oral administration in strengths of 5 and 10 mg (corresponding to 7.265 mg or 14.53 mg of the benzoate salt, respectively). Each compressed tablet contains the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, maize starch, ferric oxide (red), and magnesium stearate.