Balsalazide reduces the actions of chemicals in the body that cause inflammation in the colon (bowel).

Balsalazide is used to treat active ulcerative colitis.

Balsalazide may also be used for other purposes not listed in this medication guide.

Do not use this medication if you are allergic to balsalazide or to salicylates (such as aspirin, Disalcid, Doan's Pills, Dolobid, Salflex, Tricosal, and others).

Before taking balsalazide, tell your doctor if you have a stomach disorder called pyloric stenosis, kidney disease, or an infection that you are treating with antibiotics.

Tell your doctor if your symptoms get worse after you start taking balsalazide.

Balsalazide may interact with antibiotics. Tell your doctor if you need to take an antibiotic during treatment with balsalazide.

Do not use this medication if you are allergic to balsalazide or to salicylates (such as aspirin, Disalcid, Doan's Pills, Dolobid, Salflex, Tricosal, and others).

If you have any of these other conditions, you may need a dose adjustment or special tests to safely take balsalazide:

• a stomach disorder called pyloric stenosis;

• kidney disease; or

• any infection that you are treating with antibiotics.

FDA pregnancy category B. This medication is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.

It is not known whether balsalazide passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.