Pill with imprint S58 is White, Capsule-shape and has been identified as Clarithromycin Extended-Release 500 mg. It is supplied by Lannett Company, Inc.

Clarithromycin is used in the treatment of Dental Abscess; Bronchitis; Bacterial Endocarditis Prevention; Helicobacter Pylori Infection; Pneumonia and belongs to the drug class macrolides. Risk cannot be ruled out during pregnancy. Clarithromycin 500 mg is not a controlled substance under the Controlled Substances Act (CSA).