Rapid Rx Quiz: Muscle Relaxants

Mary L. Windle, PharmD


May 18, 2022

Other than a bad taste in the mouth, adverse effects reportedly associated with cyclobenzaprine include:

  • Arrhythmia

  • Asthenia

  • Blurred vision

  • Confusion

  • Constipation

  • Dizziness

  • Drowsiness

  • Dry mouth

  • Fatigue

  • Headache

  • Hepatitis

  • Hypotension

  • Immune hypersensitivity reaction

  • Indigestion

  • Jaundice

  • Nausea

  • Nervousness

  • Palpitations

  • Pharyngitis

  • Syncope

  • Tachycardia

  • Vasodilation

  • Anaphylaxis (rare)

  • Cardiac dysrhythmia (rare)

  • Cholestasis (rare)

Postmarketing reports indicate risk for heart block, hypertension, myocardial infarction, serotonin syndrome, and stroke.

Learn more about cyclobenzaprine.


Comments on Medscape are moderated and should be professional in tone and on topic. You must declare any conflicts of interest related to your comments and responses. Please see our Commenting Guide for further information. We reserve the right to remove posts at our sole discretion.