Cyclobenzaprine Hydrochloride 5 mg Tablet, Film Coated, 30-count — NDC 70518-3814-0 (Billing 70518-3814-00)
This is a package of 30 tablets of Cyclobenzaprine Hydrochloride 5 mg Tablet, Film Coated from REMEDYREPACK INC., marketed since Aug 2023 and currently FDA-listed. It is the main listing for this product, which comes in 6 package sizes.
Other active recalls for Cyclobenzaprine Hydrochloride (different manufacturers) — 1 · tap to view
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): 047478
- GCN: 12805
- HICL (First Databank): 001950
- AHFS class code: 12:20.04.00
- RxCUI (RxNorm): 828320
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 Muscle Relaxant class.
Where does this data come from?
- RxClass (NLM) · catalog refreshed Oct 1, 2026
Clinical
Cyclobenzaprine is used to treat muscle spasms. Cyclobenzaprine is in a class of medications called skeletal muscle relaxants. It works by acting in the brain and nervous system to allow the muscles to relax.
Read the full MedlinePlus article ↗- Cyclobenzaprine tablets and extended-release capsules ease muscle spasm from recent, painful muscle or joint problems. You use them with rest and physical therapy. Tonmya, a differ...
- For muscle spasm, it's meant for short-term use only, about two or three weeks. Spasms usually improve in that time, and there's no good evidence it works longer.
- Dry mouth, drowsiness, dizziness, tiredness, constipation and nausea are the most common. Be careful driving until you know how it affects you. Call your doctor if side effects bot...
- Alcohol and other sedating medicines can make it stronger, so avoid mixing them. Tell me about any antidepressants, tramadol or other related medicines, because of the risk of sero...
Patient education
Supplement & herbal interactions
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 | $0.1547 | $4.64 / 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 |
|---|---|---|---|---|
| 70518-3814-00 You're viewing this Main listing | 30 TABLET, FILM COATED in 1 BOTTLE, PLASTIC | 2023-08-01 | — | Active |
| 70518-3814-01 70518-3814-1 | 90 TABLET, FILM COATED in 1 BOTTLE, PLASTIC | 2023-08-02 | — | Active |
| 70518-3814-02 70518-3814-2 | 10 TABLET, FILM COATED in 1 BOTTLE, PLASTIC | 2023-08-18 | — | Active |
| 70518-3814-03 70518-3814-3 | 60 TABLET, FILM COATED in 1 BOTTLE, PLASTIC | 2023-10-07 | — | Active |
| 70518-3814-04 70518-3814-4 | 15 TABLET, FILM COATED in 1 BOTTLE, PLASTIC | 2023-10-10 | — | Discontinued by firm |
| 70518-3814-05 70518-3814-5 | 20 TABLET, FILM COATED in 1 BOTTLE, PLASTIC | 2023-12-23 | — | Active |
You're viewing one of 6 pack sizes for this product.
Pack size FAQ
What quantity is in this package?
How does this package differ from NDC 70518-3814-02?
What NDC number is used to bill for this package of Cyclobenzaprine Hydrochloride 5 mg Tablet, Film Coated?
Therapeutic equivalents
| Product | Labeler | Pack | NADAC/unit | TE | Status | Price vs. this |
|---|---|---|---|---|---|---|
| Cyclobenzaprine Hydrochloride 5 mg 00093-3420-01 | Teva | 100 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 00904-7400-04 | Major | 1 tablet | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 10702-0006-01 | KVK-TECH, | 100 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 16571-0782-01 | Rising | 100 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine hydrochloride 5 mg 29300-0413-01 | Unichem | 100 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 50268-0190-15 | AvPAK | 1 tablet | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 52817-0330-10 | TruPharma | 100 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 59746-0211-06 | Jubilant | 100 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 64980-0655-01 | Rising | 100 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 68084-0753-25 | American | 1 tablet | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 69097-0845-07 | Cipla | 100 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 72603-0310-01 | NORTHSTAR | 100 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine Hydrochloride 5 mg 72888-0012-00 | Advagen | 1000 tablets | $0.022 | AB | Availability likely | — |
| Cyclobenzaprine hydrochloride 5 mg 00615-8508-05 | NCS | 15 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 42708-0172-20 | QPharma | 20 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 42708-0197-20 | QPharma, | 20 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 43063-0494-01 | PD-Rx | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 43547-0399-01 | Solco | 10 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine hydrochloride 5 mg 50090-5756-00 | A-S | 30 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 51655-0427-26 | Northwind | 90 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 51655-0818-26 | Northwind | 90 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 53746-0540-01 | Amneal | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 60429-0876-01 | Golden | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 60760-0766-04 | ST. | 4 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 62332-0646-31 | Alembic | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 63187-0094-10 | Proficient | 10 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 63629-1212-01 | Bryant | 500 tablets | — | AB | Discontinued | — |
| Cyclobenzaprine Hydrochloride 5 mg 63629-1213-01 | Bryant | 100 tablets | — | AB | Discontinued | — |
| Cyclobenzaprine Hydrochloride 5 mg 63629-2424-01 | Bryant | 1000 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 65162-0540-10 | Amneal | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 65862-0190-01 | Aurobindo | 100 tablets | — | — | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 67046-1110-03 | Coupler | 30 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 68071-2790-02 | NuCare | 12 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 68071-3475-02 | NuCare | 12 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine hydrochloride 5 mg 68071-3567-02 | NuCare | 12 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 68071-3915-02 | NuCare | 12 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 68071-4655-02 | NuCare | 12 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 68788-8221-02 | Preferred | 20 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 68788-8471-02 | Preferred | 20 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine hydrochloride 5 mg 68788-8706-02 | Preferred | 20 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 70518-2611-01 | REMEDYREPACK | 90 tablets | — | AB | Discontinued | — |
| Cyclobenzaprine hydrochloride 5 mg 70518-3251-00 | REMEDYREPACK | 90 tablets | — | AB | Discontinued | — |
| Cyclobenzaprine Hydrochloride 5 mgthis 70518-3814-00 | REMEDYREPACK | 30 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 71205-0356-15 | Proficient | 15 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 71205-0678-30 | Proficient | 30 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 71335-1099-00 | Bryant | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine hydrochloride 5 mg 71335-1961-00 | Bryant | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 71335-2156-00 | Bryant | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 71335-2479-00 | Bryant | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 72162-1358-01 | Bryant | 100 tablets | — | AB | Discontinued | — |
| Cyclobenzaprine Hydrochloride 5 mg 72162-1692-00 | Bryant | 1000 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 72189-0280-30 | DirectRx | 30 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 72189-0283-20 | DirectRx | 20 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 72789-0073-30 | PD-Rx | 30 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 72789-0115-10 | PD-Rx | 10 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 72789-0547-21 | PD-Rx | 21 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 76420-0030-01 | Asclemed | 100 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 76420-0269-01 | Asclemed | 1 tablet | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 76420-0828-00 | Asclemed | 1000 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine hydrochloride 5 mg 76420-0839-00 | Asclemed | 1000 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine HCL 5 mg 80425-0016-01 | Advanced | 60 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine HCL 5 mg 80425-0017-01 | Advanced | 60 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine HCL 5 mg 80425-0155-01 | Advanced | 30 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 82461-0714-90 | Medcore | 90 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 82868-0008-30 | Northwind | 30 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine Hydrochloride 5 mg 85534-0005-00 | HAWAII | 30 tablets | — | AB | FDA listed | — |
| Cyclobenzaprine hydrochloride 5 mg 85766-0272-01 | Sportpharm | 100 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 3SY5LH9PMK
Anhydrous lactose is a milk sugar with no water content. It acts as a filler and binder in tablets and capsules, adding bulk and helping ingredients stick together.
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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 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 35SW5USQ3G
A synthetic yellow dye used to color medicines. It helps make tablets, capsules, and liquids visually distinct so patients can easily identify their medication.
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UNII L06K8R7DQK
A synthetic blue dye approved by the FDA for use in medications and foods. It serves as a colorant to make pills and liquids visually distinct and easier to identify.
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A synthetic yellow dye used to color medications. It helps identify the drug and make it visually distinctive, with no effect on how the medicine works.
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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 B697894SGQ
Polyethylene glycol 400 is a clear, thick liquid made from petroleum-derived polymers. It acts as a solvent and humectant in medicines, helping dissolve active ingredients and retain moisture in the formulation.
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Polysorbate 80 is a synthetic emulsifier derived from sorbitol and oleic acid. It helps mix oil and water-based ingredients together in medications and improves how the product disperses in the body.
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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 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.
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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.
13 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?
Why might an inactive ingredient be missing?
Can inactive ingredients matter?
Manufacturer & labeler
Where does this data come from?
- FDA openFDA NDC Directory · synced Oct 1, 2026
- Drugs@FDA
Full prescribing information FDA SPL
🎯 Indications and Usage ▾
INDICATIONS AND USAGE Cyclobenzaprine hydrochloride tablets, USP are indicated as an adjunct to rest and physical therapy for relief of muscle spasm associated with acute, painful musculoskeletal conditions. Improvement is manifested by relief of muscle spasm and its associated signs and symptoms, namely, pain, tenderness, limitation of motion, and restriction in activities of daily living. Cyclobenzaprine hydrochloride tablets should be used only for short periods (up to 2 or 3 weeks) because adequate evidence of effectiveness for more prolonged use is not available and because muscle spasm associated with acute, painful musculoskeletal conditions is generally of short duration and specific therapy for longer periods is seldom warranted.
Cyclobenzaprine hydrochloride tablets have not been found effective in the treatment of spasticity associated with cerebral or spinal cord disease, or in children with cerebral palsy.
⏱️ Dosage and Administration ▾
DOSAGE AND ADMINISTRATION For most patients, the recommended dose of cyclobenzaprine hydrochloride tablets is 5 mg three times a day. Based on individual patient response, the dose may be increased to 10 mg three times a day. Use of cyclobenzaprine hydrochloride tablets for periods longer than 2 or 3 weeks is not recommended (see INDICATIONS AND USAGE) .
Less frequent dosing should be considered for hepatically impaired or elderly patients (see PRECAUTIONS: Impaired Hepatic Function , and Use in the Elderly).
⛔ Contraindications ▾
CONTRAINDICATIONS Hypersensitivity to any component of this product. Concomitant use of monoamine oxidase (MAO) inhibitors or within 14 days after their discontinuation. Hyperpyretic crisis seizures and deaths have occurred in patients receiving cyclobenzaprine (or structurally similar tricyclic antidepressants) concomitantly with MAO inhibitor drugs.
Acute recovery phase of myocardial infarction, and patients with arrhythmias, heart block or conduction disturbances, or congestive heart failure. Hyperthyroidism.
⚠️ Warnings ▾
WARNINGS Serotonin Syndrome The development of a potentially life-threatening serotonin syndrome has been reported with cyclobenzaprine hydrochloride when used in combination with other drugs, such as selective serotonin reuptake inhibitors (SSRIs), serotonin norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), tramadol, bupropion, meperidine, verapamil, or (MAO) inhibitors. The concomitant use of cyclobenzaprine hydrochloride with MAO inhibitors is contraindicated (see CONTRAINDICATIONS ). Serotonin syndrome symptoms may include mental status changes (e.g., confusion, agitation, hallucinations), autonomic instability (e.g., diaphoresis, tachycardia, labile blood pressure, hyperthermia), neuromuscular abnormalities (e.g., tremor, ataxia, hyperreflexia, clonus, muscle rigidity), and/or gastrointestinal symptoms (e.g., nausea, vomiting, diarrhea).
Treatment with cyclobenzaprine hydrochloride and any concomitant serotonergic agents should be discontinued immediately if the above reactions occur and supportive symptomatic treatment should be initiated. If concomitant treatment with cyclobenzaprine hydrochloride and other serotonergic drugs is clinically warranted, careful observation is advised, particularly during treatment initiation or dose increases (see PRECAUTIONS: Drug Interactions ). Cyclobenzaprine is closely related to the tricyclic antidepressants, e.g., amitriptyline and imipramine.
In short term studies for indications other than muscle spasm associated with acute musculoskeletal conditions, and usually at doses somewhat greater than those recommended for skeletal muscle spasm, some of the more serious central nervous system reactions noted with the tricyclic antidepressants have occurred (see WARNINGS , below, and ADVERSE REACTIONS ). Tricyclic antidepressants have been reported to produce arrhythmias, sinus tachycardia, prolongation of the conduction time leading to myocardial infarction and stroke.
Cyclobenzaprine may enhance the effects of alcohol, barbiturates, and other CNS depressants.
🤒 Adverse Reactions ▾
ADVERSE REACTIONS Incidence of most common adverse reactions in the two double-blind*, placebo-controlled 5 mg studies (incidence of > 3% on cyclobenzaprine hydrochloride 5 mg): Cyclobenzaprine Hydrochloride 5 mg Cyclobenzaprine Hydrochloride 10 mg Placebo N = 464 N = 249 N = 469 Drowsiness 29% 38% 10% Dry Mouth 21% 32% 7% Fatigue 6% 6% 3% Headache 5% 5% 8% *Note: Cyclobenzaprine hydrochloride 10 mg data are from one clinical trial. Cyclobenzaprine hydrochloride 5 mg and placebo data are from two studies. Adverse reactions which were reported in 1% to 3% of the patients were: abdominal pain, acid regurgitation, constipation, diarrhea, dizziness, nausea, irritability, mental acuity decreased, nervousness, upper respiratory infection, and pharyngitis.
The following list of adverse reactions is based on the experience in 473 patients treated with cyclobenzaprine hydrochloride 10 mg in additional controlled clinical studies, 7,607 patients in the postmarketing surveillance program, and reports received since the drug was marketed. The overall incidence of adverse reactions among patients in the surveillance program was less than the incidence in the controlled clinical studies. The adverse reactions reported most frequently with cyclobenzaprine were drowsiness, dry mouth and dizziness.
The incidence of these common adverse reactions was lower in the surveillance program than in the controlled clinical studies: Clinical Studies with Cyclobenzaprine hydrochloride 10 mg Surveillance Program with Cyclobenzaprine hydrochloride 10 mg Drowsiness 39% 16% Dry Mouth 27% 7% Dizziness 11% 3% Among the less frequent adverse reactions, there was no appreciable difference in incidence in controlled clinical studies or in the surveillance program. Adverse reactions which were reported in 1% to 3% of the patients were: fatigue/tiredness, asthenia, nausea, constipation, dyspepsia, unpleasant taste, blurred vision, headache, nervousness, and confusion.
The following adverse reactions have been reported in postmarketing experience or with an incidence of less than 1% of patients in clinical trials with the 10 mg tablet: Body as a Whole: Syncope; malaise. Cardiovascular: Tachycardia; arrhythmia; vasodilatation; palpitation; hypotension. Digestive: Vomiting; anorexia; diarrhea; gastrointestinal pain; gastritis; thirst; flatulence; edema of the tongue; abnormal liver function and rare reports of hepatitis, jaundice and cholestasis.
Hypersensitivity: Anaphylaxis; angioedema; pruritus; facial edema; urticaria; rash. Musculoskeletal: Local weakness. Nervous System and Psychiatric: Seizures; ataxia; vertigo; dysarthria; tremors; hypertonia; convulsions; muscle twitching; disorientation; insomnia; depressed mood; abnormal sensations; anxiety; agitation; psychosis; abnormal thinking and dreaming; hallucinations; excitement; paresthesia; diplopia, serotonin syndrome.
Skin: Sweating. Special Senses: Ageusia; tinnitus. Urogenital: Urinary frequency and/or retention.
Causal Relationship Unknown Other reactions, reported rarely for cyclobenzaprine under circumstances where a causal relationship could not be established or reported for other tricyclic drugs, are listed to serve as alerting information to physicians: Body as a Whole: Chest pain; edema. Cardiovascular: Hypertension; myocardial infarction; heart block; stroke. Digestive: Paralytic ileus; tongue discoloration; stomatitis; parotid swelling.
Endocrine: Inappropriate ADH syndrome. Hematic and Lymphatic: Purpura; bone marrow depression; leukopenia; eosinophilia; thrombocytopenia. Metabolic, Nutritional and Immune: Elevation and lowering of blood sugar levels; weight gain or loss.
Musculoskeletal: Myalgia. Nervous System and Psychiatric: Decreased or increased libido; abnormal gait; delusions; aggressive behavior; paranoia; peripheral neuropathy; Bell's palsy; alteration in EEG patterns; extrapyramidal symptoms. Respiratory: Dyspnea.
Skin: Photosensitization; alopecia. Urogenital: Impaired urination; dilata… [Excerpted — this section continues on DailyMed.]
🆘 Overdosage ▾
OVERDOSAGE Although rare, deaths may occur from overdosage with cyclobenzaprine. Multiple drug ingestion (including alcohol) is common in deliberate cyclobenzaprine overdose. As management of overdose is complex and changing, it is recommended that the physician contact a poison control center for current information on treatment .
Signs and symptoms of toxicity may develop rapidly after cyclobenzaprine overdose; therefore, hospital monitoring is required as soon as possible. The acute oral LD 50 of cyclobenzaprine is approximately 338 and 425 mg/kg in mice and rats, respectively. Manifestations The most common effects associated with cyclobenzaprine overdose are drowsiness and tachycardia.
Less frequent manifestations include tremor, agitation, coma, ataxia, hypertension, slurred speech, confusion, dizziness, nausea, vomiting, and hallucinations. Rare but potentially critical manifestations of overdose are cardiac arrest, chest pain, cardiac dysrhythmias, severe hypotension, seizures, and neuroleptic malignant syndrome. Changes in the electrocardiogram, particularly in QRS axis or width, are clinically significant indicators of cyclobenzaprine toxicity.
Other potential effects of overdosage include any of the symptoms listed under ADVERSE REACTIONS. Management General As management of overdose is complex and changing, it is recommended that the physician contact a poison control center for current information on treatment. In order to protect against the rare but potentially critical manifestations described above, obtain an ECG and immediately initiate cardiac monitoring.
Protect the patient's airway, establish an intravenous line and initiate gastric decontamination. Observation with cardiac monitoring and observation for signs of CNS or respiratory depression, hypotension, cardiac dysrhythmias and/or conduction blocks, and seizures is necessary. If signs of toxicity occur at any time during this period, extended monitoring is required.
Monitoring of plasma drug levels should not guide management of the patient. Dialysis is probably of no value because of low plasma concentrations of the drug. Gastrointestinal Decontamination All patients suspected of an overdose with cyclobenzaprine should receive gastrointestinal decontamination.
This should include large volume gastric lavage followed by activated charcoal. If consciousness is impaired, the airway should be secured prior to lavage and emesis is contraindicated. Cardiovascular A maximal limb-lead QRS duration of ≥ 0.10 seconds may be the best indication of the severity of the overdose.
Serum alkalinization, to a pH of 7.45 to 7.55, using intravenous sodium bicarbonate and hyperventilation (as needed), should be instituted for patients with dysrhythmias and/or QRS widening. A pH > 7.60 or a pCO 2 < 20 mmHg is undesirable. Dysrhythmias unresponsive to sodium bicarbonate therapy/hyperventilation may respond to lidocaine, bretylium or phenytoin.
Type 1A and 1C antiarrhythmics are generally contraindicated (e.g., quinidine, disopyramide, and procainamide). CNS In patients with CNS depression, early intubation is advised because of the potential for abrupt deterioration. Seizures should be controlled with benzodiazepines or, if these are ineffective, other anticonvulsants (e.g., phenobarbital, phenytoin).
Physostigmine is not recommended except to treat life-threatening symptoms that have been unresponsive to other therapies, and then only in close consultation with a poison control center. Psychiatric Follow-up Since overdosage is often deliberate, patients may attempt suicide by other means during the recovery phase. Psychiatric referral may be appropriate.
Pediatric Management The principles of management of child and adult overdosages are similar. It is strongly recommended that the physician contact the local poison control center for specific pediatric treatment.
🧬 Clinical Pharmacology ▾
CLINICAL PHARMACOLOGY Cyclobenzaprine hydrochloride relieves skeletal muscle spasm of local origin without interfering with muscle function. It is ineffective in muscle spasm due to central nervous system disease. Cyclobenzaprine reduced or abolished skeletal muscle hyperactivity in several animal models.
Animal studies indicate that cyclobenzaprine does not act at the neuromuscular junction or directly on skeletal muscle. Such studies show that cyclobenzaprine acts primarily within the central nervous system at brain stem as opposed to spinal cord levels, although its action on the latter may contribute to its overall skeletal muscle relaxant activity. Evidence suggests that the net effect of cyclobenzaprine is a reduction of tonic somatic motor activity, influencing both gamma (γ) and alpha (α) motor systems.
Pharmacological studies in animals showed a similarity between the effects of cyclobenzaprine and the structurally related tricyclic antidepressants, including reserpine antagonism, norepinephrine potentiation, potent peripheral and central anticholinergic effects, and sedation. Cyclobenzaprine caused slight to moderate increase in heart rate in animals. Pharmacokinetics Estimates of mean oral bioavailability of cyclobenzaprine range from 33% to 55%.
Cyclobenzaprine exhibits linear pharmacokinetics over the dose range 2.5 mg to 10 mg, and is subject to enterohepatic circulation. It is highly bound to plasma proteins. Drug accumulates when dosed 3 times a day, reaching steady-state within 3 to 4 days at plasma concentrations about 4-fold higher than after a single dose.
At steady-state in healthy subjects receiving 10 mg t.i.d. (n = 18), peak plasma concentration was 25.9 ng/mL (range, 12.8 to 46.1 ng/mL), and area under the concentration-time (AUC) curve over an 8-hour dosing interval was 177 ng·hr/mL (range, 80 to 319 ng·hr/mL). Cyclobenzaprine is extensively metabolized, and is excreted primarily as glucuronides via the kidney.
Cytochromes P450 3A4, 1A2, and, to a lesser extent, 2D6, mediate N-demethylation, one of the oxidative pathways for cyclobenzaprine. Cyclobenzaprine is eliminated quite slowly, with an effective half-life of 18 hours (range 8 to 37 hours; n = 18); plasma clearance is
0.7L/min. The plasma concentration of cyclobenzaprine is generally higher in the elderly and in patients with hepatic impairment (see PRECAUTIONS: Use in the Elderly and PRECAUTIONS: Impaired Hepatic Function ). Elderly In a pharmacokinetic study in elderly individuals (≥ 65 yrs old), mean (n = 10) steady-state cyclobenzaprine AUC values were approximately 1.7-fold (171 ng·hr/mL, range 96.1 to 255.3) higher than those seen in a group of 18 younger adults (101.4 ng·hr/mL, range 36.1 to 182.9) from another study.
Elderly male subjects had the highest observed mean increase, approximately 2.4-fold (198.3 ng·hr/mL, range 155.6 to 255.3 vs. 83.2 ng·hr/mL, range 41.1 to 142.5 for younger males) while levels in elderly females were increased to a much lesser extent, approximately 1.2-fold (143.8 ng·hr/mL, range 96.1 to 196.3 vs. 115.9 ng·hr/mL, range 36.1 to 182.9 for younger females).
In light of these findings, therapy with cyclobenzaprine in the elderly should be initiated with a 5 mg dose and titrated slowly upward. Hepatic Impairment In a pharmacokinetic study of 16 subjects with hepatic impairment (15 mild, 1 moderate per Child-Pugh score), both AUC and C max were approximately double the values seen in the healthy control group. Based on the findings, cyclobenzaprine should be used with caution in subjects with mild hepatic impairment starting with the 5 mg dose and titrating slowly upward.
Due to the lack of data in subjects with more severe hepatic insufficiency, the use of cyclobenzaprine in subjects with moderate to severe impairment is not recommended. No significant effect on plasma levels or bioavailability of cyclobenzaprine or aspirin was noted when single or multiple doses of the two drugs were administered concomitantly… [Excerpted — this section continues on DailyMed.]
📦 How Supplied / Storage and Handling ▾
HOW SUPPLIED Cyclobenzaprine Hydrochloride Tablets, USP are available containing 5 mg, 7.5 mg or 10 mg of cyclobenzaprine hydrochloride, USP. The 5 mg tablets are butter scotch yellow film-coated, round tablets debossed with 020 on one side and plain on other side. They are available as follows: NDC: 70518-3814-00 NDC: 70518-3814-01 NDC: 70518-3814-02 NDC: 70518-3814-03 NDC: 70518-3814-04 NDC: 70518-3814-05 NDC: 70518-3814-06 NDC: 70518-3814-07 NDC: 70518-3814-08 PACKAGING: 30 in 1 BOTTLE PLASTIC PACKAGING: 90 in 1 BOTTLE PLASTIC PACKAGING: 10 in 1 BOTTLE PLASTIC PACKAGING: 60 in 1 BOTTLE PLASTIC PACKAGING: 15 in 1 BOTTLE PLASTIC PACKAGING: 20 in 1 BOTTLE PLASTIC PACKAGING: 14 in 1 BOTTLE PLASTIC PACKAGING: 30 in 1 BOTTLE PLASTIC PACKAGING: 60 in 1 BOTTLE PLASTIC Store at 20°C to 25°C (68°F to 77°F). [See USP Controlled Room Temperature.] Dispense in a tight, light-resistant container as defined in the USP using a child-resistant closure.
Repackaged and Distributed By: Remedy Repack, Inc. 625 Kolter Dr. Suite #4 Indiana, PA 1-724-465-8762
📋 Description ▾
DESCRIPTION Cyclobenzaprine hydrochloride, USP is a tricyclic amine salt which is white to off white, odourless, crystalline powder with the molecular formula C 20 H 21 N • HCl and a molecular weight of 311.9. It has a melting point of 217°C, and a pKa of 8.47 at 25°C. It is freely soluble in water, in alcohol and in methanol, sparingly soluble in isopropanol, slightly soluble in chloroform and in methylene chloride, insoluble in n-hexane.
If aqueous solutions are made alkaline, the free base separates. Cyclobenzaprine hydrochloride is designated chemically as 3-(5H -dibenzo[a,d] cyclohepten-5-ylidene)- N,N -dimethyl-1-propanamine hydrochloride, and has the following structural formula: Cyclobenzaprine hydrochloride tablets, USP are available as 5 mg, 7.5 mg and 10 mg tablets for oral administration. Each 5 mg, 7.5 mg and 10 mg tablet contains cyclobenzaprine hydrochloride and the following inactive ingredients: crospovidone, hypromellose, lactose anhydrous, macrogol, magnesium stearate, polysorbate 80, pregelatinized starch, silicified microcrystalline cellulose, titanium dioxide.
The tablets of 5 mg and 10 mg also contain D&C Yellow #10 Aluminum Lake and FD&C Yellow #6 Sunset Yellow FCF Aluminum Lake. In addition, the 5 mg tablets contain FD&C Blue #2/INDIGO Carmine Aluminum Lake. Image
⚠️ Precautions ▾
PRECAUTIONS General Because of its atropine-like action, cyclobenzaprine should be used with caution in patients with a history of urinary retention, angle-closure glaucoma, increased intraocular pressure, and in patients taking anticholinergic medication. Impaired Hepatic Function The plasma concentration of cyclobenzaprine is increased in patients with hepatic impairment (see CLINICAL PHARMACOLOGY: Pharmacokinetics: Hepatic Impairment ). These patients are generally more susceptible to drugs with potentially sedating effects, including cyclobenzaprine.
Cyclobenzaprine hydrochloride should be used with caution in subjects with mild hepatic impairment starting with a 5 mg dose and titrating slowly upward. Due to the lack of data in subjects with more severe hepatic insufficiency, the use of cyclobenzaprine in subjects with moderate to severe impairment is not recommended. Information for Patients Cyclobenzaprine, especially when used with alcohol or other CNS depressants, may impair mental and/or physical abilities required for performance of hazardous tasks, such as operating machinery or driving a motor vehicle.
In the elderly, the frequency and severity of adverse events associated with the use of cyclobenzaprine, with or without concomitant medications, is increased. In elderly patients, cyclobenzaprine hydrochloride should be initiated with a 5 mg dose and titrated slowly upward. Patients should be cautioned about the risk of serotonin syndrome with the concomitant use of cyclobenzaprine hydrochloride and other drugs, such as SSRIs, SNRIs, TCAs, tramadol, bupropion, meperidine, verapamil or MAO inhibitors.
Patients should be advised of the signs and symptoms of serotonin syndrome, and be instructed to seek medical care immediately if they experience these symptoms (see WARNINGS and PRECAUTIONS: Drug Interactions ). Drug Interactions Cyclobenzaprine may have life-threatening interactions with MAO inhibitors (see CONTRAINDICATIONS ). Postmarketing cases of serotonin syndrome have been reported during combined use of cyclobenzaprine hydrochloride and other drugs, such as SSRIs, SNRIs, TCAs, tramadol, bupropion, meperidine, verapamil or MAO inhibitors.
If concomitant treatment with cyclobenzaprine hydrochloride and other serotonergic drugs is clinically warranted, careful observation is advised, particularly during treatment initiation or dose increases (see WARNINGS ). Cyclobenzaprine may enhance the effects of alcohol, barbiturates, and other CNS depressants. Tricyclic antidepressants may block the antihypertensive action of guanethidine and similarly acting compounds.
Tricyclic antidepressants may enhance the seizure risk in patients taking tramadol. Carcinogenesis, Mutagenesis, Impairment of Fertility In rats treated with cyclobenzaprine for up to 67 weeks at doses of approximately 5 to 40 times the maximum recommended human dose, pale, sometimes enlarged, livers were noted and there was a dose-related hepatocyte vacuolation with lipidosis. In the higher dose groups this microscopic change was seen after 26 weeks and even earlier in rats which died prior to 26 weeks; at lower doses, the change was not seen until after 26 weeks.
Cyclobenzaprine did not affect the onset, incidence or distribution of neoplasia in an 81-week study in the mouse or in a 105-week study in the rat. At oral doses of up to 10 times the human dose, cyclobenzaprine did not adversely affect the reproductive performance or fertility of male or female rats. Cyclobenzaprine did not demonstrate mutagenic activity in the male mouse at dose levels of up to 20 times the human dose.
Pregnancy Teratogenic Effects. Pregnancy Category B Reproduction studies have been performed in rats, mice and rabbits at doses up to 20 times the human dose, and have revealed no evidence of impaired fertility or harm to the fetus due to cyclobenzaprine. There are, however, no adequate and well-controlled studies in pregnant women.
Because animal reproduction studies are not alwa… [Excerpted — this section continues on DailyMed.]
🔒 Drug Abuse and Dependence ▾
DRUG ABUSE AND DEPENDENCE Pharmacologic similarities among the tricyclic drugs require that certain withdrawal symptoms be considered when cyclobenzaprine is administered, even though they have not been reported to occur with this drug. Abrupt cessation of treatment after prolonged administration rarely may produce nausea, headache, and malaise. These are not indicative of addiction.
📄 Package Label / Principal Display Panel ▾
DRUG: CYCLOBENZAPRINE HYDROCHLORIDE GENERIC: cyclobenzaprine hydrochloride DOSAGE: TABLET, FILM COATED ADMINSTRATION: ORAL NDC: 70518-3814-0 NDC: 70518-3814-1 NDC: 70518-3814-2 NDC: 70518-3814-3 NDC: 70518-3814-4 NDC: 70518-3814-5 NDC: 70518-3814-6 NDC: 70518-3814-7 NDC: 70518-3814-8 COLOR: yellow SHAPE: ROUND SCORE: No score SIZE: 8 mm IMPRINT: 020 PACKAGING: 30 in 1 BOTTLE PLASTIC PACKAGING: 90 in 1 BOTTLE PLASTIC PACKAGING: 10 in 1 BOTTLE PLASTIC PACKAGING: 60 in 1 BOTTLE PLASTIC PACKAGING: 15 in 1 BOTTLE PLASTIC PACKAGING: 20 in 1 BOTTLE PLASTIC PACKAGING: 14 in 1 BOTTLE PLASTIC PACKAGING: 30 in 1 BOTTLE PLASTIC PACKAGING: 60 in 1 BOTTLE PLASTIC ACTIVE INGREDIENT(S): CYCLOBENZAPRINE HYDROCHLORIDE 5mg in 1 INACTIVE INGREDIENT(S): ANHYDROUS LACTOSE CELLULOSE, MICROCRYSTALLINE CROSPOVIDONE (15 MPA.S AT 5%) D&C YELLOW NO.
10 FD&C BLUE NO. 2 FD&C YELLOW NO. 6 HYPROMELLOSE, UNSPECIFIED MAGNESIUM STEARATE POLYETHYLENE GLYCOL 400 POLYSORBATE 80 SILICON DIOXIDE STARCH, CORN TITANIUM DIOXIDE MM1 MM2 MM3 MM4 MM5 MM6 MM7 MM8 Remedy_Label
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