Drug Induced Pancreatitis is a very common cause of acute pancreatitis in older patients and is often treated by just symptomatic treatment. An old hypertensive lady was admitted repeatedly to emergency department and treated as Idiopathic Pancreatitis. Initial labs showed elevated pancreatic enzymes. Detailed history showed that increase in thiazides dosage was the cause of her pancreatitis. It was later diagnosed as a case of thiazide induced pancreatitis. It is important to consider medication as a cause of acute pancreatitis in especially in older people presenting with acute pancreatitis without common risk factors.