单词	macrolide
释义	macrolide /ˈmakrəˌlīd / noun Any of a class of antibiotics containing a lactone ring, of which the first and best known is erythromycin.As with other currently available fluoroquinolone and macrolide antibiotics, QTc interval prolongation has been linked to the use of telithromycin.... Trials investigating the role of macrolide antibiotic therapy in patients with acute coronary syndromes are inconclusive. If antibiotics are required, one that is active against gram-positive organisms such as penicillinase-resistant penicillins, cephalosporins, macrolides, or fluoroquinolones should be chosen. Origin Mid 20th century: from macro- + l(actone) + -ide.
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