Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 10/22/2025

Methocarbamol Use in Acute Musculoskeletal Conditions

Initial Treatment and Dosage

  • The American Academy of Family Physicians recommends a maximum of 20 tablets per month for similar muscle relaxant combinations to prevent medication overuse 1

Efficacy and Safety Considerations

  • Methocarbamol and similar "muscle relaxants" have no evidence of efficacy in chronic pain and are not favored for this indication, as stated by the Journal of the American Geriatrics Society 2
  • The American College of Physicians and American Academy of Family Physicians guidelines for acute musculoskeletal injuries do not recommend methocarbamol as a first-line treatment 4

Special Populations and Safety Precautions

  • Methocarbamol should be held on the day of surgery if procedures are planned, and used with extreme caution in patients with liver or kidney disease, as elimination is significantly impaired 5
  • Methocarbamol is contraindicated in myasthenia gravis, as it interferes with pyridostigmine effects, and common side effects include drowsiness, dizziness, bradycardia, and hypotension 5