Sulfasalazine is used to treat ulcerative colitis, Crohn's disease and other types of inflammatory bowel disease.
It can also be used to treat rheumatoid arthritis.
It belongs to a group of medicines called aminosalicylates. These medicines help to reduce redness and swelling (inflammation) and can help with healing.
Sulfasalazine is available on prescription only.
It comes as tablets or a liquid that your swallow. It also comes as suppositories (a medicine that you push into your bottom).
Some people take sulfasalazine together with steroids to improve their symptoms.
Key facts
- Different types of sulfasalazine work on different parts of your gut. Suppositories are prescribed for the end part of the bowel.
- You'll usually need blood tests, liver tests and kidney tests before you start treatment with sulfasalazine, and then regular monitoring tests.
- Drink plenty of fluids when taking sulfasalazine to help prevent possible kidney problems.
- Common side effects of sulfasalazine include indigestion and feeling sick. It can also turn your pee orange and stain certain types of soft contact lenses.
- If sulfasalazine makes you feel dizzy, do not drive, cycle or use machinery or tools until you feel better.