Prophylaxis of Post-ERCP Acute Pancreatitis

Control Group: Patients will be randomized to receive a 100 mg indomethacin suppository will be administered immediately before the endoscopic procedure (20-30 minutes) and saline infusion will be given as needed.

Interventional group: Patients will be randomized to receive an indomethacin suppository that will be administered immediately before (20-30 minutes) the endoscopic procedure in combination with a lactated Ringer's infusion that will be administered with the following weight-based schedule: 3 cc/kg/h during ERCP, a bolus of 20 cc/kg after ERCP, and again 3 cc/kg/h for 8 hours after ERCP.