[Acute abdomen caused by enalapril]

This case report describes an unrecognized adverse effect of an ACE inhibitor (enalapril): attack of acute abdominal pain. This symptom was observed 3 times over a period of 5 years in a 43 year old woman, occurring 24 h after she was taking the ACE inhibitor, and disappearing 3 to 5 days after the withdrawal of enalapril.