Syklobentsapriini

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.

Also known as: Fexmid, Cycoflex, Flexeril, Novo-cycloprine, Apo-cyclobenzaprin, Cyclobenzaprinum, MK-130, TNX-102

Classification

Chemical: Medicine
Psychoactive: Depressant
Tag: Common
Tag: Habit-Forming
Tag: Pharmaceutical

Effects

Sedation
Muscle Relaxation
Dry Mouth
Incoordination
Fatigue
Dysarthria
Drowsiness
Dizziness
Confusion
Euphoria
Agency Loss
Calmness
Blurred Vision
Visual Snow
Dulled Perception

Routes of Administration

Oral

Dosage

Common: 5-10 mg
Heavy: 20+ mg
Light: 2.5-5 mg
Strong: 10-15 mg
Threshold: 2.5 mg

Duration

Onset: 0.5-1 h
Peak: 2-4 h
Offset: 6-12 h
After Effects: 12-24 h
Total Duration: 8-24 h

Harm Reduction

Check interactions before mixing substances, pay attention to dose spacing and hydration, and treat all dosage guidance as approximate rather than guaranteed safe.

Sources

Substance data is aggregated from the following public harm-reduction and reference sources.

Links

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