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Sulphacetamide

Written By Dr. Syeda AafiaReviewed By Dr. Rajeev Sharma
Last updated 25 Nov 2025 | 09:34 AM (UTC)

Sulphacetamide Uses

Sulphacetamide is used in the treatment of bacterial infections.

How Sulphacetamide works

Sulphacetamide is an antibiotic. It works by preventing synthesis of essential proteins required by bacteria to carry out vital functions. Thus, it stops the bacteria from growing, and prevents the infection from spreading.

Common side effects of Sulphacetamide

Burning sensation, Application site irritation, Stinging sensation
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Expert advice for Sulphacetamide

  • Your doctor has prescribed Sulphacetamide to cure your infection and improve your symptoms.
  • Do not skip any doses and finish the full course of treatment even if you feel better. Stopping it early may make the infection to come back and harder to treat.
  • Your doctor will ensure that you are well hydrated during treatment with this medicine. 
  • Your doctor may get regular blood, urine tests while you are on this medication.
  • Do not take Sulphacetamide if you are pregnant or breastfeeding.
  • Discontinue Sulphacetamide and inform your doctor immediately if you get a rash, itchy skin, swelling of face and mouth, or have difficulty in breathing.

Frequently asked questions for Sulphacetamide

Inform your doctor if you don't feel better after finishing the full course of treatment. Also, inform him if your symptoms are getting worse while using this medicine.
No, do not stop taking Sulphacetamide and complete the full course of treatment even if you feel better. Your symptoms may improve before the infection is completely cured.
Usually, Sulphacetamide starts working soon after taking it. However, it may take some days to kill all the harmful bacteria and make you feel better.