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Symptoms 2023

Foamy urine: causes and what to do

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Foamy urine: causes and what to do
Foamy urine: causes and what to do

Foamy urine is not necessarily a sign of he alth problems, it may be due to a stronger stream of urine, for example. In addition, it can also happen due to the presence of cleaning products in the toilet, which end up reacting with the urine and forming foam.

However, in cases where foam appears very often, it can indicate the presence of proteins, which can happen due to problems such as kidney stones, diabetes or uncompensated high blood pressure. In these cases, it is very important to consult a urologist to assess the cause and guide the most appropriate treatment. See other urine changes that may indicate he alth problems.

Foamy urine is not a sign of pregnancy, but if it happens to a pregnant woman, it can indicate that the pregnant woman has preeclampsia, which is a complication that can lead to loss of protein in the urine, in addition to being able to cause convulsions and coma, when untreated.


1. Urinating very forcefully

When the bladder is very full and the person holds it for a long time, when the urine is released, it may come out with a very strong jet, and foam may form. However, this type of foam usually disappears within a few minutes and is not indicative of serious problems.

What to do: A good way to find out if foam has formed from too fast or strong urine flow is to leave the pee in the toilet for a few minutes before giving it discharge. If the foam disappears after a few minutes, no treatment is necessary.

However, it is recommended that the pee is not held and that you go to the bathroom whenever you feel like it, as the accumulation of urine can increase the chances of urinary infection, kidney stones and urinary incontinence, for example. Understand why you shouldn't hold your pee.

2. Cleaning products in the toilet

Some cleaning products used in the toilet can react with urine and form foam, not indicating any kind of he alth problem.

What to do: A good way to tell if cleaning product is causing the foamy urine is to pee in a clean container. If it doesn't foam, it's probably the product, but if it foams, you need to go to the doctor to evaluate the cause of the foamy urine.

3. Dehydration

When you drink little water or do a lot of exercise, you can become dehydrated and, therefore, the urine becomes more concentrated and foamy. In addition, urine is also darker in color and may have a stronger smell. See other signs that can help confirm dehydration.

What to do: If you suspect that the foam has arisen from dehydration, you should drink about 1.5 to 2 liters of water a day and drink even more water when exercising.

4. Presence of protein in urine

One of the main causes of foamy urine is the presence of protein in the urine. Excess protein can occur after intense physical exercise, excessive intake of protein supplements or can be indicative of kidney problems, untreated high blood pressure and diabetes, for example.

What to do: The presence of protein in the urine can be detected through a simple urinalysis, which is performed by collecting the second stream of urine and sending it to the laboratory for analysis. If the presence of protein is verified by this test, the doctor may recommend performing a 24-hour urinalysis to check the amount of protein released in the urine during the day.

In addition, the doctor checks the relationship between albumin and creatinine, for example, to see if the cause is a change in kidney function, for example, in addition to other tests that may indicate hypertension or diabetes, for example example.

5. Urinary tract infection

A urinary infection can cause foamy urine when bacteria enter the bladder. In addition to foamy urine, other symptoms are usually associated such as pain or burning when urinating, urinating frequently and blood in the urine. Take our online test to see if you might have a urinary tract infection.

What to do: In order to confirm a urinary tract infection, it is recommended that a urine test and urine culture be performed, which is the test that aims to identify which the bacteria responsible for the infection and indicate the best antibiotic that can be indicated by the doctor for the treatment.

6. Kidney problems

The kidneys have the function of filtering the blood, resulting in the production of urine that is then eliminated from the body. Any disease or problem that affects the kidneys such as a kidney infection, kidney failure, high blood pressure or kidney stones, for example, can cause foamy urine. See 11 other symptoms that could indicate kidney problems.

What to do: If there is a suspicion of a kidney disorder, go to the nephrologist to perform tests and identify the cause, initiating the most appropriate treatment.

7. Presence of semen in the urine

The presence of foamy urine in men can also happen due to the presence of semen in the urine, however this situation is not very common. This situation can happen when small amounts of semen enter the urethra, which can happen as a consequence of prostatitis or retrograde ejaculation, resulting in foamy urine.

What to do: It is recommended to go to the urologist so that tests are performed to identify the presence of semen in the urine and its cause and, thus, be possible to indicate the most appropriate treatment.

When to go to the doctor

Foam in urine can be considered normal if it disappears after a few minutes, however, if it remains for a long time and is accompanied by some symptoms, it is possible that it is indicative of diseases, and it is important that the doctor is consulted. Some of these situations are the presence of stones in the kidneys or urinary system, urinary tract infection and presence of colovesical fistula.

In addition to these situations, the use of medication can cause foam in the urine and, therefore, it is important to consult a doctor to make sure that the foam is the effect of the medication and not a sign of illness.

Foamy urine could be pregnancy?

No. However, if the woman is pregnant and the presence of foam in the urine is noticed, it can be indicative of preeclampsia, which is a disease in which there is a loss of protein in the urine and fluid retention as a result of the increase in pressure. arterial.

If preeclampsia is not identified and treated, it can lead to seizures and put the life of both the baby and the mother at risk. Learn more about preeclampsia.

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