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MUSCULO-SKELETAL SYSTEM › MUSCLE RELAXANTS › MUSCLE RELAXANTS, CENTRALLY ACTING AGENTS › Carbamic acid esters
carisoprodol
M03BA02
Forms & Strengths
- Tablet: 250 mg
- Tablet: 350 mg
Adult Dosing
- 250 mg to 350 mg orally three times daily and at bedtime
- Duration of treatment should be acute (up to 2-3 weeks)
Pediatric Dosing
- Safety and effectiveness in pediatric patients under 16 years of age have not been established
Indications
- As an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions
Mechanism of Action
- Central nervous system depressant; acts at the level of the spinal cord and descending reticular formation of the brain to produce sedation and alter interneuronal activity, reducing pain and relaxing skeletal muscle
- Metabolized to meprobamate, which has anxiolytic and sedative properties
Contraindications
- Acute intermittent porphyria
- Known hypersensitivity to carisoprodol or meprobamate
Adverse Reactions
- Drowsiness
- Dizziness
- Headache
- Vertigo
- Tachycardia
- Orthostatic hypotension
- Nausea
- Vomiting
- Epigastric distress
Drug Interactions
- Central nervous system depressants (e.g., alcohol, opioids, benzodiazepines, tricyclic antidepressants): May potentiate CNS depression and impair psychomotor performance
- CYP2C19 inhibitors (e.g., omeprazole, fluvoxamine): May increase carisoprodol concentrations
- CYP2C19 inducers (e.g., rifampin, St. John's wort): May decrease carisoprodol concentrations and increase meprobamate concentrations
Curated Content: Needs Vetting Before Put to Clinical Use