Medicines that can cause anxiety

Many medicines can cause anxiety or make anxiety worse. Discuss your medicines with your doctor if you think that a medicine may be adding to your anxiety.

Prescription medicines that may cause anxiety include:

  • Asthma medicines, such as salbutamol, salmeterol, and theophylline.
  • Blood pressure medicines, including clonidine and methyldopa.
  • Hormones, such as oral contraceptives.
  • Medicines that contain amphetamines, such as Dexedrine and Ritalin.
  • Steroids, such as cortisone and prednisone.
  • Thyroid medicines.
  • Other medicines, such as phenytoin, levodopa, quinidine, and some antidepressants.

Non-prescription medicines that may cause anxiety include:

  • Medicines that contain caffeine, such as Anacin, Excedrin, and cough medicines.
  • Decongestants, such as Sudafed PE and Dimetapp.
  • Illegal drugs, such as cocaine, crack, or speed (amphetamines).


Author: Sydney Youngerman-Cole, RN, BSN, RNCLast Updated: November 21, 2006
Medical Review: William M. Green, MD - Emergency Medicine
Malin K. Clark, MD, FRCPC - Psychiatry

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