By: a guest on May 2nd, 2012
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Chlortetracycline was the first tetracycline discovered, in 1948. Since then five additional tetracyclines have been isolated or derived (oxytetracycline, tetracycline, demeclocycline, doxycycline and <a href=http://minocycline.us/>minocycline</a> ), but only the last four are available for systemic use in the United States. <a href=http://flagyl.us/>Flagyl</a> is one of the mainstay drugs for the treatment of anaerobic infections and the treatment of choice for most patients with diarrhea caused by Clostridium difficile. It is approved by the United States Food and Drug Administration (FDA) for the treatment of anaerobic and protozoal infections. Metronidazole exerts its antimicrobial effects through the production of free radicals, which are toxic to the microbe.
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