Why do my pants smell fishy?

Your pants likely smell like fish due to bacterial growth (mildew/mold) from being left damp, trapped body oils in synthetic fabrics, bacterial vaginosis (BV) (if near the crotch), a diet high in certain foods, or the rare genetic trimethylaminuria (TMAU) (fish odor syndrome), which causes fishy-smelling sweat, breath, and urine. Washing machines, synthetic materials, and even health issues can cause this pungent odor, requiring deep cleaning with vinegar/baking soda or a doctor's visit for persistent issues.

Why do I smell like fish through my pants?

BV is responsible for the fishy smell most commonly associated with unpleasant vaginal odors. The fishy smell may be especially strong after sex. Another common symptom to look out for with BV is a gray or grayish-white discharge. Trichomoniasis: A sexually transmitted infection caused by a parasite.

How do you get rid of fishy smell down there?

A fishy vaginal odor often signals bacterial vaginosis (BV) or trichomoniasis, requiring a doctor's visit for diagnosis and antibiotics (like metronidazole, clindamycin) to clear the infection, but good hygiene, breathable clothing, hydration, and a diet with vitamin C/probiotics help manage odor and prevent recurrence by supporting a healthy pH balance.
 

Can other people smell my BV?

Yes, other people can often smell bacterial vaginosis (BV) because it causes a distinct, strong, fishy odor, especially noticeable during or after sex, though sensitivity varies and not everyone with BV has a strong smell. If you can smell it through your clothes, it's a strong indicator something is off, and partners can usually detect it, prompting a doctor's visit for proper treatment.
 

How to remove fishy smell from pants?

Soak in vinegar as a first line of defense

'First, soak your clothes in a mix of one cup of white vinegar and a tablespoon of baking soda dissolved in warm water. Let them soak for at least 30 minutes. The vinegar gets rid of odors, and the baking soda lifts any residue causing the smell.

2 Simple ways to Get Rid Of Vaginal Odor Instantly

Why does it smell like fish when I wipe my bottom?

Is a fishy smell from haemorrhoids normal? It could be a sign of a number of issues, but is more than likely piles related. The smell is most likely anal discharge from the rectum, produced by the mucus membrane, as opposed to the leaking of faecal matter (poo), due to loss of sphincter control.

How to get BV smell out of clothes?

Pre-treat with baking soda or vinegar

To help break down tough odors, make a paste using equal parts baking soda and water. Apply it to the most affected areas, like the underarms and neckline of the garment. Use a soft-bristled brush to gently scrub the fabric, then let the paste sit for 30 minutes before washing.

Is BV caused by poor hygiene?

Poor hygiene doesn't directly cause Bacterial Vaginosis (BV) as it's an imbalance of natural bacteria, but certain hygiene practices—like douching, using scented products, or excessive washing—can disrupt the vaginal balance and increase your risk, while not wiping properly (back to front) or wearing sweaty clothes also raises risk by promoting harmful bacteria growth. Good hygiene, meaning gentle cleansing with water and mild soap and wiping front to back, supports vaginal health, but overdoing it can be harmful. 

Why do I smell when I pull my pants down?

Sweat and urine

The groin is a hotspot for sweat glands (apocrine glands), and sweat contains compounds like urea, also found in urine. If sweat or a small amount of urine gets trapped in your underwear or on your skin, bacteria can break it down, creating an ammonia odor.

What kills BV odor?

To get rid of the BV smell, you need prescription antibiotics from a doctor, like metronidazole or clindamycin (pills or vaginal gel/suppositories), as this is the most effective treatment, but always finish the full course and avoid sex during treatment. Supportive measures include probiotics, but avoid douching or unproven home remedies like tea tree oil without consulting your healthcare provider first. 

Will bacterial vaginosis go away on its own?

Yes, mild cases of Bacterial Vaginosis (BV) can sometimes clear up on their own, but it's not guaranteed, and leaving it untreated can lead to complications like an increased risk of STIs or issues in pregnancy, so seeking medical treatment, usually with prescription antibiotics, is recommended if you have symptoms.
 

Should I see a doctor for a fishy odor?

If you're concerned about an unusual vaginal odor or an odor that doesn't go away, see your health care provider. Your provider may perform a vaginal exam, especially if you also have itching, burning, irritation, discharge or other symptoms.

Does HPV smell like fish?

With BV, you will see an increase in discharge as well as a strong fishy odor that gets strong after sex. After proper diagnosis, you can be treated easily with prescription oral pills and vaginal gel. Many STDs such as Trichomoniasis, (“Trich”) Gonorrhea, Clamydia, HPV, Syphylis and even HIV can cause a vaginal smell.

Can dehydration cause vaginal odor?

Bleach or ammonia: If you notice a slightly chemical smell that smells like cleaning products, this could be a sign that you're dehydrated. Urine contains ammonia and when you're dehydrated those levels can build up, causing a smell when you wipe.

Can others smell me if I smell myself?

Yes, if you can smell yourself, others can likely smell you too, and often more strongly, because your brain adapts to your own scent (olfactory fatigue), while outsiders aren't used to it; if you notice a persistent odor, it's a sign you need to take action, like showering or using deodorant, as the scent is usually more pungent to others. 

Why do I smell bad even with good hygiene?

Sometimes, despite regular showers and deodorant, body odor sticks around. This could be due to diet (like eating spicy foods, garlic, or onions), stress sweat that mixes with bacteria, hormonal changes during puberty or menopause, or even medical conditions like diabetes or hyperhidrosis.

Why did I suddenly start getting BV?

You can get bacterial vaginosis (BV) "out of nowhere" because it's caused by an imbalance of vaginal bacteria, which can be triggered by many things like douching, new or multiple sex partners, hormonal shifts (periods, pregnancy, stress), certain soaps, tight clothing, or even smoking, disrupting the natural pH and allowing bad bacteria to overgrow, and it doesn't always need a clear cause to develop. 

What happens if BV is left untreated?

Leaving Bacterial Vaginosis (BV) untreated, while sometimes resolving on its own, significantly raises risks for serious issues like increased susceptibility to STIs (including HIV), Pelvic Inflammatory Disease (PID) leading to infertility, and pregnancy complications such as preterm birth, making treatment essential for reproductive health. Symptoms like odor and irritation persist, but the real danger lies in the higher risk of contracting other infections and developing PID, a severe reproductive organ infection.
 

Is BV an STD?

No, Bacterial Vaginosis (BV) isn't a classic sexually transmitted infection (STI) because it's caused by an overgrowth of normal vaginal bacteria, but recent major studies show it's sexually transmissible and often treated more effectively when partners are treated together, shifting the view that it's purely an imbalance. While virgins can get BV, having sexual partners, new partners, or multiple partners increases risk, and BV itself raises the risk for actual STIs like HIV and chlamydia, highlighting its connection to sexual activity.
 

Why do I get BV when I wear leggings?

Wearing nylon underwear or tight yoga pants can block air movement in the vaginal area, which can cause increased bacteria growth.

How to stop smelling like BV?

To stop the Bacterial Vaginosis (BV) smell, you need medical treatment with prescription antibiotics (like Metronidazole or Clindamycin) in pill, gel, or suppository form, as this treats the underlying imbalance; while waiting, avoid douching, scented products, and perfumed soaps, gently wash with water, and consider lifestyle changes like quitting smoking to help prevent recurrence.
 

How to disguise the smell of BV?

Home Remedies

1. Apple Cider Vinegar. Apple cider vinegar is known for its antibacterial and antiseptic properties, which can help neutralize the bacteria causing a fishy vaginal odor. ...
2. Yogurt. ...
3. Tea Tree Oil. ...
4. Garlic. ...
5. Fenugreek Seeds. ...
6. Probiotics.