<unk>  is a gastrointestinal agent that is FDA approved for the prophylaxis of NSAID (nonsteroidal anti-inflammatory drugs, including aspirin)–induced gastric ulcers in patients at high risk of complications from gastric ulcer. There is a Black Box Warning for this drug as shown here.  Common adverse reactions include abdominal pain, diarrhea.
Misoprostol
Dimetofrine
Methoserpidine
Chloroxylenol
Mersalyl acid
Ritodrine
Moperone
Pegvisomant