What is the cause of fishy smelling vaginal discharge?

Bacterial vaginosis: A fishy smelling vaginal discharge is often due to bacterial vaginosis, a non-sexually transmitted infection due to an overgrowth of bacteria. See your family doctor, internist or gynecologist to have the diagnosis confirmed and treated appropriately.

Bacterial Vaginosis: Most common cause of a fishy vaginal discharge is bacterial vaginosis. It is not an std; it is similar to a yeast infection. It is the most common abnormal vaginal discharge. Other cause can be an std called trichomonas. Douching, recent increase in sexual frequency, or recent antibiotics/antifungal medication can increase one's changes, but it often occurs for "no reason". You need a rx to treat.