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The Daily Insight

What causes an ammonia smell

Author

Gabriel Cooper

Updated on April 20, 2026

Dehydration can cause an ammonia smell. Dehydration occurs when someone fails to drink enough fluids or has a significant fluid loss, due to vomiting or diarrhea. Ammonia odor happens when chemicals in urine are concentrated due to a lack of water.

Should I be concerned if I smell ammonia?

Ammonia has a very strong odor. If ammonia cannot be smelled, it is probably not concentrated enough to be harmful. If you can smell ammonia, health effects are possible.

What causes an ammonia smell in a house?

An ammonia smell in your home can come from cat urine, leaking household cleaners, or leaking refrigerant from older-model refrigerators or RV refrigerators stored in your home. Ammonia smells carried from nearby factories or farms can also make their way inside.

What should I do if I smell ammonia?

Leave an area that smells like ammonia for fresh air. Ventilate the area to clear the ammonia. If you get ammonia in your eyes or if ammonia is swallowed, then call the Tennessee Poison Center at 1-800-222-1222.

What infection causes ammonia smell?

If you detect a hint of ammonia in your urine, it could be a sign of a urinary tract infection. The odor suggests that bacteria may be swimming around in your urinary system, most likely in your urethra, kidneys or bladder. Urine showing signs of a UTI also may be cloudy or even a bit bloody.

What gas smells like ammonia?

There are various reported scents for Freon gas, perhaps reflective of the different chemicals that make up the individual forms of Freon. The most commonly reported odors include sweet scents, ammonia, cat urine, paint, or paint stripper/nail polish remover.

What foods cause ammonia smell in urine?

Asparagus is commonly linked with an ammonia smell, as are large amounts of vitamin B-6. Similarly, foods high in protein can increase urine’s acidic properties and cause it to have an ammonia smell.

What causes high ammonia levels?

High ammonia levels in the blood are most often caused by liver disease. Other causes include kidney failure and genetic disorders.

How would you describe the smell of ammonia?

Ammonia is a gas having a very strong, irritating and unpleasant smell, it is difficult to describe it. It is more easy to describe other aromas that smell as ammonia like urine, some rotten meat or fish.

What are symptoms of high ammonia levels?
  • Confusion.
  • Fatigue.
  • Loss of appetite.
  • Nausea with or without vomiting.
  • Pain in the back, sides or abdomen.
  • Weakness (loss of strength)
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Why does my sink smell like ammonia?

This occurs because water syphons out of the drain traps and allows sewer gases to enter the home. This pipe can be blocked by ice or clogged by a variety of materials, such as a bird’s nest or tree leaves, and you’ll need to clear away this debris to eliminate smells.

What causes stinky urine in females?

The most common causes of an ammonia smell to a person’s urine are diet, UTIs, dehydration, and hormones. It is important to find out the main cause, especially if it is medical.

Why does it smell when I open my legs?

Sweating. Sweating in the groin area can attract fungus and bacteria that can lead to a bad smell. Showering after exercise or athletic activity can help reduce the bad-smelling effects of smells related to sweating. Putting on clean, dry clothes after a sweat session can also help.

Why does it smell like ammonia outside?

Outdoors, you may be exposed to high levels of ammonia gas in air from leaks and spills at production plants and storage facilities, and from pipelines, tank trucks, railcars, ships, and barges that transport ammonia.

Why does my urine have a strong ammonia smell?

Urine may smell like ammonia when it becomes concentrated with waste products. A variety of conditions can cause waste products to build up in urine, such as bladder stones, dehydration, and urinary tract infections. In most cases, urine that smells like ammonia can be treated with fluids or antibiotic medications.

Is it bad if your pee smells really strong?

When you’re dehydrated and your pee gets very concentrated, it can smell strongly of ammonia. If you catch a whiff of something really strong before you flush, it might also be a sign of a UTI, diabetes, a bladder infection, or metabolic diseases.

When can you smell ammonia?

The Odor Threshold for ammonia has been documented in different studies as low as . 04 ppm and as high as 57 ppm. The American Association of Railroads says most people can smell ammonia between 0.04 to 20 ppm. OSHA says the Odor Threshold is between 5 and 50 ppm.

What medication is given to reduce ammonia levels?

Lactulose is also used to reduce the amount of ammonia in the blood of patients with liver disease. It works by drawing ammonia from the blood into the colon where it is removed from the body. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.

Do you smell when your liver fails?

It indicates liver failure because it results from an increase of dimethyl sulfide in the air that you exhale. So liver failure results in this noticeable smell in your breath. Liver disease is a serious condition that requires medical treatment.

What color is your pee when your liver is failing?

Urine that is dark orange, amber, cola-coloured or brown can be a sign of liver disease. The colour is due to too much bilirubin building up because the liver isn’t breaking it down normally.

Does stress cause high ammonia levels?

Normal things in life, like being sick, stressed out, and eating foods that are high in protein, can cause ammonia to rise to toxic levels. This can trigger a hyperammonemic crisis.

Does sewage smell like ammonia?

Sewer gas is a byproduct of the breakdown of natural human waste. It comprises a mixture of gases, including hydrogen sulfide, ammonia, and more. The hydrogen sulfide in sewer gas is what gives it its signature rotten egg smell.

Why do I smell ammonia when I take a shower?

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 does my laundry room smell like ammonia?

An ammonia odor is also a characteristic of urine. Whether laundry has been soiled by urine, ammonia cleaners or another agent that causes a pungent odor, you will want to remove these smells before they take up residence in the fibers of your clothes.

Why does my urine smell foul but no infection?

Foul-Smelling Urine: Dehydration Dr. Kaaki says the number one reason for bad-smelling urine is dehydration. “You always have a certain amount of ammonia in your urine. When you have more water, the ammonia is diluted, and it smells less intense.

What does diabetic urine smell like?

What Does Diabetic Urine Smell Like? One warning sign of diabetes or high blood sugar is urine that smells sweet or fruity. The sweetness comes from sugar in your urine and is a sign your body is trying to get rid of extra sugar in your blood.

Why does your pee smell like fish?

A fishy smell in urine may be caused by the presence of bacteria, TMA, or an interaction between them. According to a study from 2013 , most healthy people produce chemicals that break down TMA, which stops them from smelling like fish, even when they have eaten fish recently or have a lot of bacteria in their systems.

Can a man's sperm make a woman smell fishy?

Semen is alkaline and often women find they notice a fishy smell after having sex. This is because the vagina wants to be slightly acidic, but if it’s knocked out of balance by the alkaline semen, and it can trigger BV.

Why are my knickers always wet and smelly?

Bacterial infections: Excessive panties are always wet vaginal discharge can be caused due to bacterial vaginosis. The discharge is thin, grey coloured and smells like a fish. It also causes itching around the vagina. Having multiple sexual partners and frequent douching are the common causes of bacterial infection.