One of the MACROLIDES, it has an antibacterial spectrum similar, but not identical, to that of penicillin. The drug is a valuable alternative for patients who are allergic to penicillin. Erythromycin is used for respiratory infections, including spread within a family of WHOOPINGCOUGH, and also CHLAMYDIA, LEGIONNAIRE’S DISEASE, SYPHILIS and enteritis caused by CAMPYLOBACTER. It is also used with neomycin when preparing for bowel surgery. Though often active against penicillin-resistant staphylococci, these bacteria are now sometimes resistant to erythromycin. The drug may be given orally, intravenously or topically (for acne).
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