You should not use this medicine if you are allergic to mesalamine, aspirin, sulfasalazine, or salicylates (such as Nuprin Backache Caplet, Kaopectate, KneeRelief, Pamprin Cramp Formula, Pepto-Bismol, Tricosal, Trilisate, and others).
Tell your doctor if you have ever had or are:
- a blockage in your stomach or intestines (such as pyloric stenosis)
- a skin condition such as eczema
- a peptic ulcer
- liver disease
- kidney disease
- using lactulose
This medicine may contain phenylalanine. Tell your doctor if you have phenylketonuria (PKU).
Tell your doctor if you are pregnant or plan to become pregnant.
It may not be safe to breast-feed while using this medicine. Ask your doctor about any risk.
Tell your doctor if you find undissolved mesalamine tablets in your stool.
Call your doctor if your ulcerative colitis symptoms do not improve, or if they get worse.
This medicine can affect the results of certain medical tests. Tell any doctor who treats you that you are using mesalamine.