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    Cyclobenzaprine

    Aliases: flexeril, apo-cyclobenzaprin, fexmid, novo-cycloprine

    Categories

    depressant habit-forming common

    Summary

    Muscle relaxant and CNS depressant used to relieve skeletal muscle spasms and associated pain in acute musculoskeletal conditions. Sometimes prescribed off-label for treatment of fibromyalgia or as a sleep aid. Has little recreational value alone, but may potentiate some opioids. May cause drowsiness, dry mouth and dizziness.

    ⚠️ WARNING: Do not mix with other CNS depressants, or within two weeks of a MAOI.

    Dose Information

    Onset, Duration & After-effects

    • Onset: 15-45 minutes
    • Duration: 6-12 hours
    • After-effects: 1-6 hours