Sulfonamides are known to cause Stevens-Johnson syndrome in hypersensitive individuals. Stevens-Johnson syndrome also has been reported following the use of sulfacetamide sodium topically. Cases of drug-induced systemic lupus erythematosus from topical sulfacetamide also have been reported. In one of these cases, there was a fatal outcome.
There is currently no manufacturer warning information available for this drug.
Seb-Prev™ Gel is intended for topical application in the following scaling dermatoses: seborrheic dermatitis and seborrhea sicca (dandruff). It also is indicated for the treatment of secondary bacterial infections of the skin due to organisms susceptible to sulfonamides.
Each gram of Seb-Prev™ Gel contains 100 mg of Sulfacetamide Sodium USP in a vehicle consisting of edetate disodium, glycerin, methylparaben, propylene glycol, purified water, sodium thiosulfate, and xanthan gum.
Sulfacetamide sodium is C8H9N2NaO3S•H2O with a molecular weight of 254.24. Chemically, it is Acetamide N-[(4-aminophenyl)sulfonyl]-, monosodium salt, monohydrate, with the following structural formula:
Sulfacetamide sodium is an odorless, white, crystalline powder with a bitter taste. It is freely soluble in water, sparingly soluble in alcohol, while practically insoluble in benzene, in chloroform, and in ether.
