Why Does Urine Smell Like Fish?

A fishy smell is uncommon in urine. Many of the causes are not serious, but it can sometimes indicate a severe condition, such as damage to the kidneys or liver.

Taking more showers is not going to keep your urine from having a fishy odor. While fishy smelling urine prevails in both men and women, it has absolutely nothing to do with personal health. Under regular scenarios, your urine should be odor-free and clear. Then why does it odor like fish? This might occur due to different reasons and hidden conditions.

Why does My Urine Smell Like Fish?

Fishy smelling urine is quite a common problem and it might be due to several underlying conditions. Here are the significant causes and other signs you may experience with each condition.

1. Trimethylaminuria
This uncommon congenital disease causes a strong body odor, normally referred to as like trash or decaying fish. You establish this disorder when your body cannot process a stinky chemical called trimethylamine. The chemical is produced in the gut, especially after you consume choline-rich foods. When the chemical starts building up in your body, you will develop a strong smell in your urine, sweat, vaginal fluids, and saliva.

2. Urinary Tract Infections (UTI)
Made up of the bladder, ureters, kidneys, and the urethra, the urinary system assists eliminate toxic substances and waste from your body. You may establish an infection when an infection triggering pathogen enters your body through the bloodstream or the urethra. Due to the genital anatomy and the vaginal area being really close to the urethra and the anus, women are most likely to establish urinary tract infections as compared with men. You may establish particular symptoms such as cloudy urine, burning experiences when urinating, frequent urination, and urine that smells like fish.

3. Prostatitis
” Why does my urine odor like fish?” You ask. The response might be that you have prostatitis or inflammation in the prostate gland. You may establish this condition due to bacterial infections, however it is normally challenging to identify a cause. The most typical signs of prostatitis include uncomfortable urination, pain in the pelvic area, and urine that smells like fish. Some people may likewise experience symptoms such as chills, frequent urination, nausea, fever, and urinary seriousness.

4. Vaginitis
You develop this condition due to a fungal, yeast or bacterial infection. These naturally taking place pathogens do not trigger any issue when their development remains in check, but overgrowth can cause symptoms such as painful urination, swelling of the vaginal area, vaginal discharge, unpleasant vaginal intercourse, vaginal irritation, and urine that smells like fish. What triggers vaginitis in the first location assists figure out the most effective treatment.

5. Kidney Stones
If you have stinky urine together with severe discomfort in the lower back and groin area, this could be due to kidney stones. You establish kidney stones due to an increase in the levels of calcium and oxalate in urine. You might establish crystals first that convert into kidney stones in time. You generally experience pain when these stones or crystals get stuck in the ureters. Consuming plenty of water may help relieve the symptoms, however surgical treatment may be required in serious cases.

Information verified by the iytmed.com team.

6. Liver Problems
Several liver diseases can lead to liver dysfunction and cause fishy smelling urine. When your liver is healthy, it only releases little quantities of bilirubin into urine. Certain liver problems might lead to a boost in the quantity of bilirubin into urine, which changes the odor of your urine. If your foul smelling urine is because of liver issues, you might likewise observe your urine ending up being dark amber in color. The only way to solve urine color and odor problems in this case is to deal with the underlying liver illness first.

7. Dehydration
In some cases, your foul-smelling urine is because of an issue as basic as dehydration. Not drinking adequate water changes the color and smell of your urine, and it also impacts the volume of urine output. When you are dehydrated, you pass highly focused urine that contains too much of ammonia and other contaminants. You can deal with the problem by increasing your consumption of water.

8. Food or Drink
Your urine may smell bad when you drink coffee or other caffeinated drinks in excess. Caffeine is diuretic and leads to frequent urinate, which gradually causes dehydration. When you are dehydrated, the color and odor of your urine will alter significantly. Particular foods can likewise alter the odor of your urine. Asparagus is a great example and it causes fishy smelling urine because it breaks down into sulfur. Limit your intake of caffeinated drinks and consume lots of water to avoid having fishy smelling urine.

9. Diabetes
Why does my urine smell like fish? It could be since you have diabetes. People who have diabetes have high levels of blood glucose, which ultimately enters into urine then out of your body. This may be the reason you discover fishy sweet-smelling pee. To solve the problem, you need to work carefully with your doctor for the proper management of your diabetes. You might likewise need to stay with a specific diet plan to keep your blood sugar level levels within the typical variety.

10. Medications
Taking particular medications can change the smell of your urine. The most typical offenders are amoxicillin, ciprofloxacin, and some other antibiotics. You are more likely to experience the changes in odor when taking large dosages of these antibiotics for a brief time. Similarly, taking multivitamin supplements can likewise cause fishy smelling urine.


It is simple to ignore urine as a sign of health, however it can supply important information about how well the body is working.

While fishy-smelling urine may be worrying, the causes are normally minor. A medical professional can supply a diagnosis and recommend the quickest course to recovery.

A fishy smell in the urine will frequently go away without treatment in a couple of days. If the odor does not improve, look for medical attention. Severe conditions can occasionally be accountable for this odor, and timely treatment can be essential.


In case you fail to identify the reason for your fishy smelling urine, you should go speak to your doctor. Do not ignore the change, specifically if it lasts more than a day or two. The existence of other signs such as a fever, throwing up, neck and back pain, vaginal discharge, and excessive thirst means you ought to seek instant medical attention.

Reyus Mammadli

As a healthy lifestyle advisor I try to guide individuals in becoming more aware of living well and healthy through a series of proactive and preventive measures, disease prevention steps, recovery after illness or medical procedures.

Education: Bachelor Degree of Medical Equipment and Electronics.

Health Recovery Tips
Add a comment