Colitis Home > Sulfasalazine Delayed-Release

Sulfasalazine delayed-release is often prescribed to treat ulcerative colitis, rheumatoid arthritis, or juvenile rheumatoid arthritis. It works by decreasing the production of certain chemicals that can lead to inflammation. The medication comes in tablet form, and is generally taken two to six times a day. Potential side effects include loss of appetite, vomiting, and headaches.

What Is Sulfasalazine Delayed-Release?

Sulfasalazine delayed-release (Azulfidine EN-tabs®) is a prescription medication that is used to treat the following conditions:
(Click What Is Sulfasalazine Delayed-Release Used For? for more information, including possible off-label uses.)

Are There Side Effects?

As with any medicine, side effects are possible with sulfasalazine delayed-release. However, not everyone who takes the medication will experience side effects. In fact, most people tolerate it well. If side effects do occur, in most cases, they are minor and either require no treatment or can easily be treated by you or your healthcare provider. Serious side effects are less common.
Common side effects of sulfasalazine delayed-release include but are not limited to:
  • Loss of appetite
  • Headaches
  • Nausea or vomiting
  • Reversible low sperm count in men.
(Click Sulfasalazine Delayed-Release Side Effects to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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