Sulfacetamide sodium is an antibiotic that fights bacteria on the skin. Sulfacetamide sodium topical (for the skin) is used to treat acne, dandruff, seborrheic dermatitis (red, flaking skin rash), and certain skin infections. Sulfacetamide sodium topical may also be used for purposes not listed in this medication guide.
Sulfacetamide is a sulfonamide antibiotic commonly used to treat bacterial infections, particularly those in the eyes. Sulfacetamide works by limiting the creation of folic acid, which is a necessary component of bacterial growth. This process kills the bacteria.