I have taken the metronidazole for 2weeks and I notice it works but after 3 to 4 days I stop taking it since I notice it was cleared ..now It came back again and I now starting to take again a metronidazole.. please help what must I do? my Doctor change his route so I need some advice because I only trust that Doctor but unfortunitely he was assign in other place and I can not able to trust other Doctor with my condition please kindly help me thank you