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DMSA Side Effects

Generic name: dimercaptosuccinic acid

Medically reviewed by Last updated on Sep 25, 2022.

Note: This document contains side effect information about dimercaptosuccinic acid. Some dosage forms listed on this page may not apply to the brand name DMSA.

Applies to dimercaptosuccinic acid: intravenous kit.

Serious side effects of DMSA

Along with its needed effects, dimercaptosuccinic acid (the active ingredient contained in DMSA) 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 or nurse immediately if any of the following side effects occur while taking dimercaptosuccinic acid:


  • Fainting
  • fever

Other side effects of DMSA

Some side effects of dimercaptosuccinic acid 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:


  • Nausea
  • rash with flat lesions or small raised lesions on the skin

More about DMSA (dimercaptosuccinic acid)

Professional resources

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.