Pharmacology Tidbits

Medications and Narcotics that Can Cause Muscle Weakness

  • Amiodarone (Cordarone)
  • Antithyroid agents: methimazole (Tapazole); propylthiouracil
  • Antiretroviral medications: zidovudine (Retrovir); lamivudine (Epivir)
  • Chemotherapeutic agents
  • Cimetidine (Tagamet)
  • Cocaine
  • Corticosteroids
  • Fibric acid derivatives: gemfibrozil (Lopid)
  • Interferon
  • Leuprolide acetate (Lupron)
  • Nonsteroidal anti-inflammatory drugs
  • Penicillin
  • Sulfonamides
  • Statins

Bannwarth B (2002). Drug-induced myopathies. Expert Opin Drug Saf. 1:65–70.

Ferri FF (2000). Ferri’s Clinical advisor: instant diagnosis and treatment. Mosby.

Anabolic Steroids

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