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It is important to see your health care provider if symptoms last for more than several weeks. The first step in diagnosing the specific cause(s) of allergic rhinitis is for your doctor to take a detailed history and perform a physical examination. Allergy symptoms may also be caused by non-allergic conditions such as colds and [...]

Metronidazole is a nitroimidazole anti-infective medication that is primarily used to treat infections caused by certain organisms — anaerobic bacteria and protozoa in particular. It is regarded as the gold standard anti-anaerobic agent. Pfizer markets it in the United States under the brand name Flagyl, while Sanofi-Aventis uses the same brand name to market metronidazole [...]