Cyclobenzaprine

Pronounced sy-klo-BEN-zah-preen

Brand names: Flexeril

Type: Muscle relaxant · All Pain Relief & Fever Medicines

What Cyclobenzaprine is used for

  • Muscle spasm from strains, short-term
  • Muscle spasm from back and neck pain, short-term

Common side effects

  • Drowsiness
  • Dry mouth
  • Dizziness
  • Tiredness

Important cautions

  • Intended only for short courses; long-term benefit is not established
  • Can add to the sedating effects of alcohol and other medicines, and is used cautiously in older adults

How it comes

Tablets, extended-release capsules. This guide lists forms only — it never lists strengths or doses.

Related medicines — Pain Relief & Fever Medicines

Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.