In rare cases, medicines may cause inflammation of the pancreas (pancreatitis). These include:

• Some antibiotics (such as metronidazole, tetracycline, sulfamethoxazole and trimethoprim, and nitrofurantoin).
• Some medicines that suppress the immune system (such as 6-mercaptopurine and azathioprine).
• Some medicines used to treat high blood pressure (such as ACE inhibitors).
• 5-aminosalicylic acid (used to treat inflammatory bowel disease).
• Some diuretics.
• Corticosteroids.
• Estrogen.
• Valproic acid (used to treat seizure disorders).
• Certain general anesthetics.
• Antidepressants, such as venlafaxine (Effexor).