Side Effects

Drug information provided by: Merative, Micromedex®

Studies in rats have shown that long-term use of sulfonamides may cause cancer of the thyroid gland. In addition, studies in rats have shown that sulfonamides may increase the chance of goiters (noncancerous tumors of the thyroid gland).

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Less common

  1. Itching, burning, skin rash, redness, swelling, or other sign of irritation not present before use of this medicine

Rare

  1. Burning at site of application

Some side effects may occur that usually do not need medical attention. 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 reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Less common or rare

  1. Rash or irritation of penis of sexual partner

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.