Jul 22, 2025 · Learn about the side effects of sulfasalazine, from common to rare, for consumers and healthcare professionals.

Dec 1, 2025 · These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or …

Dec 15, 2024 · Sulfasalazine is used to treat certain inflammatory conditions, such as ulcerative colitis and rheumatoid arthritis. The most common side effects are loss of appetite, headache, …

Side effects that you should report to your care team as soon as possible: Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat

These effects are characterized by fever, pale skin, sore throat, fatigue, and unusual bleeding and bruising, and require discontinuation of the drug. Liver failure, pancreatitis, and kidney failure …

This information from Lexicomp explains what you need to know about this medication, including what it’s used for, how to take it, its side effects, and when to call your healthcare provider.

NHS medicines information on side effects of sulfasalazine and what you can do to cope.