However, having untreated or uncontrolled ulcerative colitis during pregnancy may cause complications such as low birth weight or premature birth. It is not known whether mesalamine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. Tell your doctor if you have phenylketonuria (PKU). To make sure Apriso is safe for you, tell your doctor if you have ever had:Ī blockage in your stomach or intestines (such as pyloric stenosis) orĪpriso capsules contain phenylalanine. You should not use Apriso if you are allergic to mesalamine, aspirin, sulfasalazine, or salicylates (such as Disalcid, Doans Pills, Dolobid, Kaopectate, Nuprin Backache, Pepto-Bismol, Tricosal, Trilisate, and others). Stop using Apriso and call your doctor at once if you have severe stomach pain, stomach cramping, bloody diarrhea (may occur with fever, headache, and skin rash). Last updated on Aug 15, 2023.Īpriso affects a substance in the body that causes inflammation, tissue damage, and diarrhea.Īpriso is used to treat mild to moderate ulcerative colitis in patients 18 years of age and older.Īpriso is used to prevent the symptoms of ulcerative colitis from recurring.