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Sulphacetamide is used for treating superficial bacterial eye infections like blepharitis (swollen eyelids), conjunctivitis (redness and swelling of the thin layer of tissue that covers the front of the eye) and bacterial infections of skin like acne (pimples), seborrheic dermatitis (swelling, scaling, rupturing of skin) and eczema (itchy skin rash).

How it works

Sulphacetamide belongs to a class of drugs called as synthetic sulphonamide antibiotics. Sulphacetamide works by inhibiting of bacterial para-aminobenzoic acid (PABA), an essential component for bacterial growth.

Common side effects

Blurred vision, Burning sensation, Eye itching, Eye swelling, Headache, Itching, Skin rash, Skin redness, Tingling sensation


No medicine available

Expert advice

  • Do not use if the sulphacetamide solution changes color.
  • Seek immediate medical attention is you experience signs of a secondary infection, as long-term or repeated use of sulfacetamide drops may trigger the same. 
  • Seek immediate medical attention if you experience any allergic symptoms such as rash, red, swollen, blistered, or peeling skin.
  • Avoid direct contact with the applicator tip to prevent any contamination. Keep the container tightly closed.
  • Do not drive or use any machinery after taking sulphacetamide as it may blurred the vision. 
  • Tell your doctor if you are pregnant, planning to become pregnant or are breastfeeding. 
  • Do not take if patient is allergic to sulphacetamide or any of its ingredients. 
  • Do not given Infants less than 2 months. 

Content on this page was last updated on 30 September, 2016, by Dr. Varun Gupta (MD Pharmacology)