New uses for older antibiotics

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Abstract
For years, the antibiotic marketplace has been in a state of eruption, sending forth an impressive array of -cillins, -mycins, and other familiar options. But in this era of managed care, many physicians are reexamining some of the old standbys, especially since these agents share an important trait: cost-effectiveness. In this article, Dr Cunha reviews established and growing uses for doxycycline, minocycline hydrochloride, trimethoprim-sulfamethoxazole, and metronidazole.