Pill with imprint a ER a ER is Red / Clear, Capsule-shape and has been identified as Erythromycin delayed-release 250 mg (erythromycin base). It is supplied by Abbott Laboratories.

Erythromycin is used in the treatment of Bronchitis; Bowel Preparation; Bacterial Endocarditis Prevention; Bartonellosis; Otitis Media and belongs to the drug class macrolides. There is no proven risk in humans during pregnancy. Erythromycin 250 mg (erythromycin base) is not a controlled substance under the Controlled Substances Act (CSA).