Metronidazole is a common medicine, available in brand names such as Flagyl. It is marketed by Pfizer also under the trade name Flagyl in the US and Canada, while Sanofi-Aventis markets metronidazole globally under the same tradename, Flagyl, and also by various generic manufacturers, who sell it at a lower price. Its not a restricted drug, and generally available off the shelve in any chemist shopOriginally Posted by dean30bb