Cephalexin

11 DESCRIPTION Cephalexin capsules, USP is a semisynthetic cephalosporin antibacterial drug intended for oral administration. It is 7-(D-α-Amino-α-phenylacetamido)-3-methyl-3-cephem-4-carboxylic acid monohydrate. 41.

Cephalexin has the following structural formula: Each capsule contains cephalexin monohydrate equivalent to 250 mg or 500 mg of cephalexin. 6, gelatin, magnesium stearate, titanium dioxide, and sodium lauryl sulfate.