azithromycin

azith·ro·my·cin ə-.zith-rō-'mīs-ən n a semisynthetic macrolide antibiotic C₃₈H₇₂N₂O₁₂ that is derived from erythromycin and is used esp. as an antibacterial agent see zithromax

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n.

an antibiotic used to treat respiratory, skin, soft-tissue, and other infections, especially those caused by the organism Chlamydia trachomatis. It is administered by mouth. Possible side-effects include allergic reactions, nausea, and vomiting. Trade name: Zithromax.

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az·ith·ro·my·cin (az-ith″ro-miґsin) [USP] an azalide antibiotic, derived from erythromycin, that inhibits bacterial protein synthesis, effective against a wide range of gram-positive, gram-negative, and anaerobic bacteria; used in the treatment of mild to moderate infections caused by susceptible organisms, administered orally and intravenously.