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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Drug of choice for infection by Gardnerella vaginatis is
assistant
The correct answer is  Ans is 'b' ie Metronidazole (Ref. Harrisons, 16/e, p 767 (15/e, p 843))Gardnerella vaginalis causes Bacterial vaginosis*.Bacterial vaginosis can be differentiated from other vaginitis and diagnosed by Amsel criteria :White homogenous vaginal discharge*Vaginal discharges pH > 4.5*Liberation of distinct fishy odour* on mixing vaginal discharge with 10% solution of KOH.Microscopic demonstration of clue cells* (Vaginal epithelial cells coated with coccobacillary organisms)