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Sulfadiazine

Pronounced

"sull-fuh-DYE-uh-zeen"

Uses

This medication is used to treat and prevent a wide variety of infections. Sulfadiazine belongs to the class of drugs known as sulfa antibiotics. It works by stopping the growth of bacteria and other organisms.

This antibiotic treats only certain types of infections. It will not work for viral infections (such as common cold, flu). Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness.

This medication should not be used in infants younger than 2 months because of the risk of serious side effects, unless treatment is for a very serious infection (congenital toxoplasmosis).

How to Use This Medication

Take this medication by mouth with a full glass of water (8 ounces or 240 milliliters) as directed by your doctor. Drink plenty of fluids during treatment with this medication unless your doctor advises you otherwise. This will help prevent unlikely side effects such as crystals appearing in the urine and kidney stones.

The dosage is based on your medical condition, weight, and response to treatment.

For the best effect, take this antibiotic at evenly spaced times. To help you remember, take this medication at the same time(s) every day.

Continue to take this medication for the full time prescribed, even if symptoms disappear after a few days. Stopping the medication too early may result in a return of the infection.

Tell your doctor if your condition lasts or gets worse.

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Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires December 2025.