Vaginal Discharge Signs That It’s Time To See A Doctor

Vaginal discharge is a normal part of having a vagina. But sometimes the stuff you see on your underwear can be a sign that something is off with your health.

Discharge is a fluid – made up largely of water – that contains good bacteria to maintain the vagina’s pH balance and protect against infection. It carries away bad bacteria and dead cells from the lining of the vagina to keep the area healthy.

These secretions naturally clean the vagina, much like saliva does for the mouth or tears do for the eyes, according to Dr. Sherry Ross, an obstetriciangynaecologist and author of She-Ology: The Definitive Guide to Women’s Intimate Health. Period.

Normal vaginal discharge is typically clear or white in colour (though when it dries on your underwear, it may appear slightly yellow), and it is mostly odourless. If it has “some amount of a smell, it shouldn’t be unpleasant or offensive,” adds Dr. Charis Chambers, the doctor behind the @theperioddoctor account on Instagram.

Here's what the smell or appearance of your vaginal discharge can say about your health.

Nednapa Chumjumpa / EyeEm via Getty Images

Here’s what the smell or appearance of your vaginal discharge can say about your health.

The consistency and amount of discharge changes throughout the menstrual cycle. When you’re about to ovulate, for example, your discharge becomes somewhat clear, stretchy and slippery – similar to raw egg whites. This type of cervical mucus helps facilitate a sperm’s journey through the reproductive tract so an egg can be fertilised in the fallopian tube.

And while discharge tends to be wet and slippery around the time of ovulation, you may notice it’s drier or stickier at other points in your cycle.

But there may be times when your discharge seems off. Dr. Johana D. Oviedo, an obstetrician gynaecologist and a clinical assistant professor at New York University’s Grossman School of Medicine, offered a rule of thumb to determine if it might be a sign of an infection or other health issue.

“The most important question to ask yourself is: is this discharge associated with discomfort? Is it itchy, does it have a very foul odour, has it changed significantly from what I am used to?” Oviedo tells HuffPost.

If the colour, odour, amount or consistency is unusual for you, then it’s worth calling your medical provider.

Here are the signs you should generally look out for and what they might mean:

Thick, chunky white or yellow discharge

This type of discharge may be indicative of a yeast infection, which is caused by an overgrowth of healthy yeast in the vagina.

It’s “often associated with an increased amount of discharge as well as vulvovaginal irritation, itching and redness,” Chambers says.

The discharge may be thickened like curdled milk or cottage cheese, Oviedo notes.

Thin grey or white discharge with a fishy odour

Discharge that fits this description can be a sign of bacterial vaginosis, a common condition caused by an imbalance of the bacteria naturally found in the vagina.

“Bacterial vaginosis is not often as itchy or irritating as a yeast infection,” Chambers says. “The greatest discomfort is often the amount and odour of the discharge.”

Neither bacterial vaginosis nor yeast infections are sexually transmitted diseases, “but having sex can sometimes shift your vaginal pH and vaginal flora,” Oviedo says. “And this may result in one of these infections.”

A thin, frothy discharge with a foul smell can also be a sign of trichomoniasis, a common but curable sexually transmitted infection.

Thick yellow or green discharge

Discharge that’s yellow or green in colour may be a sign of a sexually transmitted infection like gonorrohea or chlamydia.

This type of discharge may also be associated with “a foul odour or pain with urination,” Chambers says “But many bacterial infections are asymptomatic.”

Brown or bloody discharge

Some people regularly have a day or two of brown discharge right before or after their period. If that’s the case for you, then it probably shouldn’t be a concern, Dr. Pamela D. Berens, a professor at McGovern Medical School at the University of Texas Health Science Center at Houston, told Women’s Health in 2018. It’s likely just bit of old period blood mixed in with discharge. (Blood that’s exposed to oxygen turns deep red or brown.)

But if brown or bloody discharge is present at other times of the month or is atypical for you, give your doctor a call. It could potentially be related to a vaginal infection, polycystic ovary syndrome, uterine polyps or other issues.

Brown or blood-tinged discharge can also be associated with early pregnancy spotting, a miscarriage or even an ectopic pregnancy. “So if it’s possible you might be pregnant, it’s important to see your doctor as soon as possible,” Berens told Women’s Health.

If you're concerned about your discharge, a visit to your doctor can rule out a potential infection or other health issue.
If you’re concerned about your discharge, a visit to your doctor can rule out a potential infection or other health issue.

So if you aren’t already, start paying attention to what your discharge looks and smells like at baseline so you’ll be able to detect any changes. And remember that it will fluctuate a bit at different points in your menstrual cycle.

Any sustained changes of amount, odour or consistency warrant discussion with your doctor, Chambers says. “This is especially warranted if these changes are associated with bothersome symptoms like itching, burning or pain with urination.”

You may experience something that doesn’t fit descriptions like these. But if it’s concerning to you, have a conversation with your medical provider.

“Your doctor or qualified health care professional can perform an exam or obtain simple testing to rule out infection,” Chambers says.

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