How can I tell if my vaginal discharge is normal?

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Dr. Michael Roizen, MD
Internal Medicine
Vaginal discharge can be absolutely normal or a symptom of infection. Pay attention to your vaginal discharge--you may notice that it changes in quantity and consistency along with your menstrual cycle. It’s also good to know what your normal pattern is so that you can tell if something changes.

If you are having sex, it is always worth checking for sexually transmitted infections if your vaginal discharge changes; your doctor can order a simple urine test or use a Q-tip-sized swab to collect cells from the vagina or cervix to establish if you have an STI (sexually transmitted infection). The doctor may examine the sample under a microscope right there in her office or send it out to a lab. A vaginal swab can help determine whether or not you have overgrowth of normal vaginal bacteria (called bacterial vaginosis), yeast overgrowth (would give you a cottage cheesy, itchy discharge), or infection with the parasite trichomonas. Each of those is treatable with a pill or cream, depending on which one you have.

Normal vaginal discharge is usually whitish-yellowish but can vary in color depending on which bacteria are currently living in your vagina. Yes, you have bacteria there--and it’s a good thing, too, as they protect you from overgrowth of more opportunistic bacteria that aren’t supposed to be there. There can be lots of discharge or a little. If there's a lot, this usually means you are making a good amount of estrogen, a necessary requirement for developing strong bones. However, heavy but normal vaginal discharge in some girls can drench underwear and make it necessary to wear panty liners daily, changed a lot. On the other hand, many girls have minimal discharge.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.