Dosage form: topical gel
Drug classes:Topical acne agents, Topical antibiotics
Medically reviewed by Drugs.com. Last updated on Feb 21, 2022.
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For Dermatologic Use Only – Not for Ophthalmic Use
Rx Only
Erythromycin Gel Description
Erythromycin Topical Gel USP, 2% contains erythromycin (3R*, 4S*, 5S*, 6R*, 7R*, 9R*, 11R*, 12R*, 13S*, 14R*)-4-[(2,6-Dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-14-ethyl-7, 12, 13-trihydroxy-3, 5, 7, 9, 11, 13-hexamethyl-6-[[3, 4, 6,-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]oxacyclotetradecane-2,10-dione), for topical dermatological use. Erythromycin is a macrolide antibiotic produced from a strain of Saccharopolysporaerythraea (formerly Streptomyceserythreus). It is a base and readily forms salts with acids.
Chemically, erythromycin is C37H67NO13. It has the following structural formula:
