Period FAQs

why does period smell like fish

by Verla Greenfelder Jr. Published 2 years ago Updated 1 year ago
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A person might notice a fishy smell during their period and also outside of menstruation. This smell is often related to an infection, such as bacterial vaginosis or trichomoniasis. Bacterial vaginosis is a common vaginal infection caused by an overgrowth of bacteria in the vagina.

In This Article

Popular vagina myth-busting ob-gyn Dr. Jen Gunter has an amazing saying: "It's a vagina, not a piña colada!" The point being, your vagina doesn't need to smell or taste fruity — or really, like anything else besides a vagina.

1. Metallic or Like Iron

"The period itself is basically endometrial tissue that's built up over the course of the month. If an egg is not fertilized and implanted, that lining is released," Taraneh Shirazian, MD, a board-certified ob-gyn with NYU Langone, tells LIVESTRONG.com.

2. Fishy

"As blood exits the vagina, especially if there's a lot of bleeding, it can change the pH of the vagina," Dr. Shirazian explains. When the normal bacterial balance of the vagina is thrown off, you may develop bacterial vaginosis, or BV. This can result in a fishy smell.

3. Sweet

Some vaginal bacteria can naturally have a sweet smell, according to Women's Medical Associates of Nashville. This is nothing to worry about.

What to Do About Period Odor

What you want to avoid is using any sort of fragranced feminine wipe designed to freshen things up down below. "The problem with these is that they just cover up the odor. The first step is always figuring out the underlying source and treating that," Dr. Shirazian says.

When to See a Doctor About Period Odor

A rotten or foul odor from your nether region warrants a trip to the ob-gyn, Dr. Shirazian says.

Is This an Emergency?

If you are experiencing serious medical symptoms, please see the National Library of Medicine’s list of signs you need emergency medical attention or call 911. If you think you may have COVID-19, use the CDC’s Coronavirus Self-Checker .

Why does my period smell fishy?

Believe it or not, menstrual blood has no odor. Neither does sweat for that matter. But, let’s be real, we have all experienced a smell or felt less than clean down there. First, menstrual blood is made of both blood and tissue that sheds from the uterus. When menstrual blood mixes with our own bodies, bacteria and odor may develop. Many describe this as fishy. Just like when we sweat. Perspiration has no odor, mix that with our body’s bacteria and we all know what that odor smells like. Noticing a fishy odor is common, and very likely unnoticeable to anyone else. Think about it, have you ever been able to tell if someone is on their period? To decrease odor, change your pad frequently. Assure you are using the pad or tampon with the right amount of absorbency. If a fishy odor persists after your period is over, an infection such as bacterial vaginosis may be present. Contact your healthcare provider for an in-office examination.

How much water flow is considered heavy?

At this rate of flow it is infrequently felt, just maybe when you get up after sitting for a long time, or when you get up in the morning. Anything over 80ml is considered heavy. There are a couple of ways of collecting data about your flow:

What causes fishy smells?

A fishy odor is a result of bacterial growth.

Why do sanitary pads smell?

If you use sanitary pads or tampons, the smell is even more prominent because these products absorb blood, and amplify

Why does my poop smell like it's down there?

A strong odor from “down there” may be cause for worry, as it could be a sign of an infection. In such cases, the odors are accompanied by other symptoms, such as vaginal discharge or pelvic pain that’s not related to normal menstruation.

How much blood can a pee cup hold?

Try PeeSafe Menstrual Cups during periods. PeeSafe Menstrual Cups are made of 100% Medical Grade Silicone and approved by the FDA. These cups can hold up to 21 ml of blood and provide protection for up to 12 hours. And they come in extra-small, small and large sizes. So you can choose depending on your age, lifestyle and menstrual flow.

Why is period blood stretchy?

Period blood is stretchier than regular blood and it has clots. This is because it also has vaginal discharge in it. I don’t like it stretchy and clot-filled so I dip the blood in water and drink it like that.

Why does my period smell fishy?

This smell is often related to an infection, such as bacterial vaginosis or trichomoniasis. Bacterial vaginosis is a common vaginal infection caused by an overgrowth of bacteria in the vagina.

What are the risk factors for bacterial vaginosis?

Risk factors for bacterial vaginosis include new or multiple sex partners and douching. Bacterial vaginosis produces a fishy smell, which is more pronounced during menstruation, as blood increases the vaginal alkalinity. A person might have white or gray vaginal discharge outside of menstruation.

What does "trusted source" mean?

Trusted Source. is a protozoal infection that a person can pass to another person through sex. A person with trichomoniasis might notice an unusual fishy smell from the vagina and a change in vaginal discharge. They might also notice itching, burning, or soreness in the genital area. Doctors diagnose trichomoniasis.

How to get rid of blood smell during period?

Additionally, during menstruation, they should change a pad every time they go to the restroom and change a tampon every few hours.

What is the process of apocrine sweat?

Apocrine sweat mixes with bacteria on the skin to produce body odor. The glands release this type of sweat during periods of stress or anxiety. It is different from the sweat lost during exercise, or when the body has a high temperature.

Why does my period blood smell metallic?

Period blood may smell metallic due to the presence of blood and iron.

How do doctors diagnose trichomoniasis?

Doctors diagnose trichomoniasis with laboratory testing and treat it with antibiotics.

How to make a vaginal suppository?

This is how to make an antibacterial vaginal suppository with apple cider vinegar: Mix equal parts of raw apple cider vinegar with warm water. Soak a tampon in the ACV remedy and insert into your vagina. Leave for 30 minutes to help destroy the infection-causing microbes and get rid of the fishy vaginal discharge.

What is the smell of fish in the vagina?

Trichomoniasis. Trichomoniasis (sometimes just called “trich”) is a sexually transmitted disease (STD) that can cause vaginal malodor that smells of fish. Trichomoniasis can affect men and women alike and if a woman has “trich” then it is usually the vagina where the infection occurs.

What causes a strong smell in the vagina?

Sweat. Sometimes, a combination of sweat, normal vaginal discharge, and urine can combine to create a strong-smelling feminine odor. Usually, having good feminine hygiene habits and changing your underwear regularly can help to reduce any fishy odor from your vagina.

What to do for fishy discharge?

Coconut oil is another natural treatment you can use at home to treat the symptoms of fishy discharge. Coconut oil has antibacterial properties and fatty acids that help to reduce inflammation and kill off infections in the vagina.

How to get rid of fishy smell in vagina?

Tea tree oil. Tea tree oil is a natural home remedy that can help to get rid of fishy smells from your vagina. Tea tree oil contains naturally occurring antibacterial properties that kill bacteria and germs that cause a strong odor with discolored discharge.

Why does my vagina smell fishy?

Most of the time, a fishy vaginal smell is an indicator of an infection in the genitals. However, poor hygiene, excessive sweating, or even certain foods can cause a vagina to have a fishy smell. Thankfully, there are many home remedies that can help to treat a fishy vaginal odor. For example, probiotics can help to improve the health ...

Why does my discharge smell like cottage cheese?

Traci Johnson on WebMD says if there’s a fishy smell, bacterial vaginosis is a better guess. If your discharge looks like cottage cheese, then a yeast infection may be to blame. That’s also more likely to cause itching and burning, though bacterial vaginosis might make you itchy too. 5.

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