Misoprostol is similar to naturally made protective substances in your body, called prostaglandins. Prostaglandins help to protect the lining of your stomach and intestines. Taking misoprostol will help prevent you from getting ulcers in your stomach and the part of your intestines next to your stomach, which is called the duodenum.
This is a companion discussion topic for the original article at https://patient.info/medicine/misoprostol-tablets-for-stomach-ulcers-cytotec