In 2013, Asacol 400 mg tablets were removed from the market and replaced with Delzicol 400 mg capsules. Please see Delzicol for up-to-date information.
Asacol® (mesalamine) is a prescription ulcerative colitis treatment. While most side effects of the drug (such as belching, sore throat, and back pain) are not serious, dangerous side effects sometimes occur while taking Asacol. For example, some of these serious reactions include:
Allergic reactions are also possible. If you develop an unexplained rash, hives, itching, or breathing difficulties during treatment with Asacol, contact your healthcare provider right away.
(Click Asacol Side Effects and Asacol Warnings and Precautions to learn more about potentially dangerous reactions to this drug. These articles also cover more safety precautions to be aware of before starting treatment and what to do if serious problems occur.)