Medical conditions that affect the senses of taste or smell

• Lipid-lowering drugs
• Antimicrobials
• Antineoplastics
• Anti-inflammatory drugs
• Bronchodilators and other asthma medications
• Antihypertensives and cardiac medications
• Muscle relaxants and drugs for the treatment of Parkinson's Disease
• Antidepressants and anticonvulsant
• Radiation therapy
• Vasodilators

Source: "Taste and Smell Losses in Normal Aging and Disease," Susan S. Schiffman, Ph.D. JAMA, The Journal of the American Medical Association, October 22/29, 1997,Vol 278, No. 16.