Font Size

Medications and Drugs

Brand Names:

Generic Name: sulfadiazine (Pronunciation: sull fa DYE ah zeen)

What are sulfadiazine ()?

Sulfadiazine is an antibiotic. It fights bacteria in the body.

Sulfadiazine is used to treat infections such as urinary tract infections, toxoplasmosis, and others.

Sulfadiazine may also be used for purposes other than those listed in this medication guide.

What are the possible side effects of sulfadiazine ()?

If you experience any of the following serious side effects, stop taking sulfadiazine and seek emergency medical attention or contact your doctor immediately:

  • an allergic reaction (shortness of breath; closing of the throat; hives; swelling of the lips, face, or tongue; rash; or fainting);
  • blood in the urine;
  • difficult or painful urination;
  • yellowing of the skin or eyes;
  • ringing in the ears;
  • difficulty breathing, sore throat, or chills;
  • a skin rash;
  • unusual tiredness or weakness;
  • severe watery diarrhea and abdominal cramps; or
  • unusual bleeding or bruising.

Other, less serious side effects may be more likely to occur. Continue to take the sulfonamide and talk to your doctor if you experience

  • headache, fatigue, or dizziness;
  • nausea, vomiting, decreased appetite, or diarrhea; or
  • increased skin sensitivity to the sun.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about sulfadiazine ()?

Take all of the sulfadiazine that has been prescribed for you even if you begin to feel better. Your symptoms may start to improve before the infection is completely treated.

Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.

Medical Dictionary