Why do my night sweats smell like urine?
Ava Arnold
Updated on March 10, 2026
Why does your sweat smell like pee?
Protein breaks down into amino acids, which the body converts into ammonia. The body then releases this ammonia through urine and sweat, which may produce an odor. Dehydration can also make the sweat smell like ammonia. This is because the body needs water to get rid of ammonia through sweat.Why do my night sweats smell?
What causes night sweat smells? Sweating and body odor from activity and exercise is totally normal. The smell that arises is due to the bacteria that live harmlessly on everyone's body. When the bacteria mix with sweat released from your sweat glands, it can create an unpleasant odor.What does kidney failure sweat smell like?
If adding carbs to your diet doesn't help, see a doctor. “People with liver or kidney disease also have trouble disposing of ammonia,” Roberts says. It's also possible people on protein-heavy diets—such as Paleo—may be overburdening their systems to the point that their sweat smells like ammonia, Maharam says.Why does my sweat and pee smell sour?
Corynebacteria. A bacterial skin infection caused by corynebacteria can cause sweat to smell like vinegar or other strong scents.3 Diseases That Make You Stink
What does diabetic sweat smell like?
If you have diabetes, a change in body odor could be a sign of diabetes-related ketoacidosis. High ketone levels cause your blood to become acidic and your body odor to be fruity. In the case of liver or kidney disease, your odor may give off a bleach-like smell due to toxin buildup in your body.Why do I smell like ammonia down there?
If you notice the smell of ammonia around your vagina, it could be due to extra sweat, urine, or an infection. If the smell doesn't go away with regular rinsing and drinking more water, contact your doctor. You may need a prescription to help treat an underlying infection.What does urea in your sweat smell like?
Ammonia SmellThe reason you smell ammonia is because the protein breakdown product urea is being produced faster than it can be excreted by your kidneys, and is subsequently leached into your sweat as ammonia.
What your sweat smell says about you?
"Most of the time, body odor is just a pesky and unpleasant part of life. In some cases, though, consistent or sudden body odor can indicate a chronic problem, like a metabolic condition or a more serious illness like yellow fever and typhoid fever, which can have distinct scents," says Dr. Dietz.Why do I wake up stinky?
Bad BreathWaking up with smelly breath is normal. Your body puts out way less saliva, or spit, when you're asleep. Saliva helps get rid of bacteria that cause odors, so your breath might also smell bad when you're hungry or dehydrated. That's because chewing signals the body to make saliva.
When should I be concerned about night sweats?
See a GP if you: have night sweats regularly that wake you up or worry you. also have a very high temperature (or feel hot and shivery), a cough or diarrhoea. have night sweats and you're losing weight for no reason.Why does my bedroom smell after sleeping?
During sleep, your body is trying hard to regulate its temperature which can lead to sweat production. This often causes body odor, so we wake up in a bit of a stinky room. Your mattress and pillows also can absorb a lot of liquid, which can end up smelly, too. Another reason may be your diet.How do I get rid of Trimethylaminuria?
There's currently no cure for trimethylaminuria, but some things might help with the smell.
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It can help to avoid certain foods that make the smell worse, such as:
- cows' milk.
- seafood and shellfish – freshwater fish is fine.
- eggs.
- beans.
- peanuts.
- liver and kidney.
- supplements containing lecithin.
What are the signs and symptoms of Trimethylaminuria?
People may have a persistent strong odor or a milder odor that can change in intensity. Certain factors, such as sweating, may increase the smell. People may find that the odor worsens with exercise or stress. Trimethylaminuria seems to be more common in females than in males.Can kidney problems cause body odor?
Sometimes, body odor can be a sign of kidney disease, which means that the kidneys are damaged and unable to filter the blood in the way that they should.Why does women's sweat smell like onions?
Onions, garlic, spices, and vinegar are among the foods that can change the smell of sweat. Sweat can combine with vaginal discharge to make the vagina smell of strong foods, such as onions or garlic. A person would generally have to eat more onion than usual for it to affect their body odor.What does urea smell like?
Urea is one of the waste products found in urine. It's a byproduct of the breakdown of protein and can be broken down further to ammonia in certain situations. Therefore, many conditions that result in concentrated urine can cause urine that smells like ammonia.What does ketoacidosis smell like?
A sweet, fruity odor can be a sign of ketoacidosis, an acute complication of diabetes. An odor of ammonia is associated with kidney disease. Similarly, a very foul, fruity odor may be a sign of anorexia nervosa.Can you smell yourself if you have TMAU?
Do people with trimethylaminuria smell themselves? Yes, just like typical body odor or sweat, people with TMAU may notice how they smell. But like typical body odor or sweat, some people with TMAU may be accustomed to the smell and less likely to react to it than those around them.Where can I get tested for trimethylaminuria?
What laboratories offer testing for trimethylaminuria?
- Children's Hospital Colorado. Biochemical Genetics Lab. Phone: 720-777-6711. Contact: Lab Client Services. Email: [email protected]
- Monell Chemical Senses Center. University of Pennsylvania. Phone: 215-898-4713. Contact: George Preti, Ph. D.
What foods should I avoid with trimethylaminuria?
Since TMAU patients cannot metabolize TMA, limiting certain foods may reduce the buildup of TMA in the body. Avoiding or minimizing intake of foods such as eggs, legumes, certain meats, fish, and foods that contain choline, nitrogen, and sulfur may reduce the severity of body odor given off.Why do people smell while sleeping?
Nonsense, says Rachel Herz, a professor of psychiatry at Brown University and author of The Scent of Desire. Her research and experiments indicate people do not respond to odours while they are in the dreaming phase of sleep (REM) or deep sleep. "You cannot smell while you are asleep," she says.How do I keep my bed smelling fresh?
How to Make a Bed Smell Good – Tips and Tricks
- Ventilate Your Room With Air Fresheners. ...
- Clean Your Bedsheets Weekly with Fragrant Detergent. ...
- Complete a Deep-Clean of Your Bedroom. ...
- Use A Vacuum Cleaner to Remove Dirt and Dust. ...
- Try A Chemical Like Baking Soda or Distilled White Vinegar to Get Rid of Baked-In Smells.