an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative

Oral antibiotic used to treat infections. Also sold under the brand name(s): Erythrocin® (Oral), Eryc®, E.E.S.®, E-Mycin®, Erythromycin® (Oral), Ilosone® , Robimycin