Antibiotics: tetracyclines, such as doxycycline, minocycline, and tetracycline (all available in many brands); fluoroquinolones, such as ciprofloxacin (Cipro) and levofloxacin (Levaquin); sulfonamides, such as sulfamethoxazole/trimethoprim (Bactrim, Septra)
Diuretics: furosemide (Lasix), hydrochlorothiazide (Esidrix, Hydrodiuril)
Calcium-channel blockers: diltiazem (Cardizem, Dilacor XR), nifedipine (Adalat, Afeditab)
Acne treatments: isotretinoin (Absorica, Accutane)
Over-the-counter antihistamine: diphenhydramine (Benadryl)
Over-the-counter non-steroidal anti-inflammatory drugs (NSAIDs): ibuprofen (Advil), naproxen (Aleve)
Herbal supplement: St. John’s wort
List taken from Harvard Health On-line.