What STD makes you smell like onions?
Sarah Duran
Updated on March 14, 2026
Trichomoniasis
Trichomoniasis is a sexually transmitted infection (STI) that can cause an unpleasant-smelling discharge.What infection makes you smell like onions?
In fact, everyone's vaginal discharge has a slightly different smell, and that's completely normal, according to Minkin. On the other hand, a more persistent onion-like smell that lasts multiple days could be a sign you have bacterial vaginosis, an infection that occurs when too much "bad" bacteria grows in the vagina.What STD makes you smell down there?
Bacterial vaginosis is an overgrowth of bacteria typically present in the vagina. It's a common vaginal condition that can cause vaginal odor. Trichomoniasis, a sexually transmitted infection, also can lead to vaginal odor. A yeast infection usually doesn't cause vaginal odor.What smells do STDS have?
There could be an odd smell, too. These are all signs of an STD discharge. These changes can cause orange vaginal discharge, chunky yellow discharge, and other abnormal discharges. A change in how your discharge smells—such as having a foul odor—is another sign your abnormal discharge might be due to an STD.What does trich smell like?
Trichomoniasis is the most common curable sexually transmitted infection and easily treatable with a course of antibiotics. It's known for its pungent fishy odor. “The trichomoniasis infection can be quite smelly,” says Minkin. “It's a more pronounced fishy odor than bacterial vaginosis.”What to do if having onion like foul vaginal odour? - Dr. Sangeeta Gomes
What does chlamydia smell like?
Chlamydia discharge usually has a strong, foul smell. The odour of chlamydia discharge in women is sometimes said to be fishy, or similar to the smell of pus.What does gonorrhea smell like?
And the women said about 50 percent of men who had gonorrhea had sweat that smelled "putrid," whereas only 32 percent of the healthy men were described as putrid. And while 26 percent of the healthy men smelled "floral," just 10 percent of those with gonorrhea were described that way.Does syphilis cause a smell?
If symptoms do occur, they usually appear within four weeks of exposure. Symptoms in women include: Genital inflammation. Foul-smelling, yellow-green vaginal discharge.Does gonorrhea have a smell?
Gonorrhea discharge can have an unpleasant, foul smell.Why do I keep smelling onions?
Phantosmia is a disorder linked to a person's sense of smell. It happens when a person can smell something that is not there. The smell may only appear on one side of the nose, or it may affect both nostrils. Phantosmia is relatively uncommon.How do I get rid of onion smell?
You should:
- Wash your labia and groin regularly with soap and warm water. Be sure to thoroughly rinse the soap out of the opening of the vagina so you don't further upset your natural pH balance.
- Wear breathable fabrics, especially underwear. ...
- Don't wear tight-fitting pants regularly. ...
- Avoid perfumed and scented washes.
How do you get bacterial vaginosis?
BV is a result of an imbalance of “good” and “harmful” bacteria in a vagina. Douching, not using condoms, and having new or multiple sex partners can upset the normal balance of vaginal bacteria, increasing your risk for getting BV.Can chlamydia cause odor?
Does chlamydia have a smell? Chlamydia doesn't always have a smell. But one of the symptoms of chlamydia is an unusual vaginal discharge that has an unpleasant odor.Can an STD change your body odor?
The sexually transmitted infection (STI) trichomoniasis also causes odor. Other STIs, like chlamydia and gonorrhea, don't usually have odors. Although less common, cervical or vaginal cancer can also change your vagina's smell.Do people with STDs smell?
Often, the STDs associated with abnormal vaginal odor are the same ones that cause abnormal vaginal discharge. STDs that can cause an unusual smell include: Chlamydia. Gonorrhea.How can a female tell if she has trichomoniasis?
Women with trich may notice: Itching, burning, redness or soreness of the genitals; Discomfort when peeing; and. A clear, white, yellowish, or greenish vaginal discharge (i.e., thin discharge or increased volume) with a fishy smell.What are the signs of syphilis in a woman?
You may feel sick and have mild flu-like symptoms, like a slight fever, feeling tired, sore throat, swollen glands, headache, and muscle aches. You can also have sores in your mouth, vagina, or anus, and weight or hair loss.What is one of the first signs of syphilis?
The first sign of syphilis is a small sore, called a chancre (SHANG-kur). The sore appears at the spot where the bacteria entered your body. While most people infected with syphilis develop only one chancre, some people develop several of them. The chancre usually develops about three weeks after exposure.Does hsv2 cause odor?
Herpes vaginal dischargeIt's most common to have discharge when you're having other symptoms like sores. This liquid also tends to happen along with a strong smell that many people with herpes describe as “fishy.” This smell usually gets stronger or more pungent after having sex.