Fexmid

Fexmid

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Questions & Answers

Side Effects & Adverse Reactions

Fexmid 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.

Fexmid may enhance the effects of alcohol, barbiturates, and other CNS depressants.

Legal Issues

There is currently no legal information available for this drug.

FDA Safety Alerts

There are currently no FDA safety alerts available for this drug.

Manufacturer Warnings

There is currently no manufacturer warning information available for this drug.

FDA Labeling Changes

There are currently no FDA labeling changes available for this drug.

Uses

Fexmid is 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.

Fexmid should be used only for short periods (up to two or three 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.

Fexmid has not been found effective in the treatment of spasticity associated with cerebral or spinal cord disease, or in children with cerebral palsy.

History

There is currently no drug history available for this drug.

Other Information

Fexmid® (cyclobenzaprine hydrochloride) is a white, crystalline tricyclic amine salt. It has a melting point of 217°C, and a pKa of 8.47 at 25°C. It is freely soluble in water and alcohol, sparingly soluble in isopropanol, and insoluble in hydrocarbon solvents. If aqueous solutions are made alkaline, the free base separates. Cyclobenzaprine HCl is designated chemically as 3-(5H-dibenzo[a,d]cyclohepten-5-ylidene)-N,N-dimethyl-1-propanamine hydrochloride, and has the following structural formula:

Structural Formula

Fexmid is available for oral administration as 7.5 mg tablets. Fexmid contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, dibasic calcium phosphate, hydroxypropyl cellulose, hypromellose, polyethylene glycol, magnesium stearate, microcrystalline cellulose, and titanium dioxide.

Fexmid Manufacturers


  • Victory Pharma, Inc.
    Fexmid (Cyclobenzaprine Hydrochloride) Tablet, Film Coated [Victory Pharma, Inc. ]
  • Rebel Distributors Corp
    Fexmid (Cyclobenzaprine Hydrochloride) Tablet, Film Coated [Rebel Distributors Corp]
  • Stat Rx Usa Llc
    Fexmid (Cyclobenzaprine Hydrochloride) Tablet, Film Coated [Stat Rx Usa Llc]
  • Shionogi Inc.
    Fexmid (Cyclobenzaprine Hydrochloride) Tablet, Film Coated [Shionogi Inc.]

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