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A 29-year-old member asked:

Neither my husband nor myself has any std's, however, after he ejaculates inside of me, the next day there is a fishy like odor. why is this?

2 doctor answers7 doctors weighed in
Dr. Peter Baumann
Specializes in Obstetrics and Gynecology
Bacterial vaginosis: A discharge with a fishy odor is caused by a bacteria named Gardnerella vaginalis. There is some evidence from research that males can harbor Gardnerella in their prostate glands. They don't have symptoms and therefore have no reasons to see a doctor. The bacteria are thought to be released during ejaculation. Bacterial vaginosis can be treated with metronidazole.
Dr. Hunter Handsfield
Infectious Disease 53 years experience
Bacterial vaginosis?: Welcome to HealthTap. Thanks for your question. You may have bacterial vaginosis, an overgrowth of bacteria in the vagina. In diagnosing BV, an alkaline chemical is added to a sample of the fluid, releasing a fishy odor. Semen is alkaline, so the same thing happens. Trichomonas also is possible but less likely. BV generally isn't serious, but see your doctor for diagnosis and treatment.

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Last updated Nov 29, 2014

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