erythromycin(redirected from Erythrocin Stearate)
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a macrolide antibiotic, the chief producer of which is the soil-inhabiting organism Streptomyces erythreus. Erythromycin is active against most grampositive bacteria (such as staphylococci, streptococci, and pneumococci), certain gram-negative bacteria (such as brucellae), rickettsiae, and large viruses. It fights staphylococci that are resistant to penicillin, antibiotics of the tetracycline group, and streptomycin. Erythromycin is used for treating pneumonia and other infectious diseases.