Dosage form: tablet, film coated
Drug class:Macrolides
Medically reviewed by Drugs.com. Last updated on Jul 1, 2021.
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Erythromycin Base Filmtab Description
Erythromycin tablets, USP are an antibacterial product containing erythromycin, USP, in a unique, nonenteric film coating for oral administration. Erythromycin tablets, USP are available in two strengths containing either 250 mg or 500 mg of erythromycin base.
Erythromycin, USP is produced by a strain of Saccharopolyspora erythraea (formerly Streptomyces erythraeus) and belongs to the macrolide group of antibiotics. It is basic and readily forms salts with acids.
Erythromycin, USP is a white or slightly yellow, crystalline powder, slightly soluble in water, and soluble in alcohol, chloroform, and ether. Erythromycin, USP is known chemically as (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.The molecular formula is C37H67NO13, and the molecular weight is 733.9...
