Why do I have 'little' foamy urine?

Posted by Amelia on December 20, 2022
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    Foamy urine can be alarming, especially if you're not sure what it means. Sometimes it's nothing to worry about, but there are times when foamy urine is a sign of a health problem. Here's everything you need to know about why your pee may be foamy and what could be causing it:

    Foamy urine can indicate an infection in your urinary tract.

    If you have foamy urine, it can be a sign of an infection in your urinary tract. Urinary tract infections are more common in women than men. They're also often mistaken for kidney stones because they cause pain and other symptoms similar to those of kidney stones.

    Urinary tract infections can be caused by bacteria, viruses or fungi (yeast). Bacterial infections are most common and are treatable with antibiotics that are prescribed by your doctor or purchased over-the-counter at a pharmacy--but only if you have symptoms like foamy urine!

    Foamy urine may be caused by a kidney stone.

    If you're experiencing foamy urine, it could be a sign of a kidney stone. Kidney stones are small crystals that form in the kidneys and can block the ureter, which is the tube that carries urine from your kidneys to your bladder. The stones can travel through this tube into your bladder where they cause painful spasms.

    Kidney stones usually cause pain in your side or lower back when they pass through your ureter but sometimes there are no symptoms at all until after they've passed out of your body through urination.

    A bladder tumor or cancer could cause foamy urine.

    Foamy urine can be a sign of bladder cancer, kidney cancer and prostate cancer.

    Foamy urine can also occur if you have an enlarged prostate (benign prostatic hyperplasia). This is because the urethra becomes narrow and traps air in the bladder.

    Foamy urine may also be caused by cystitis (inflammation of the bladder) or urethritis (inflammation of the urethra).

    You might have diabetes if you have cloudy or foamy urine that smells fruity, like ammonia, or like maple syrup.

    • You might have diabetes if you have cloudy or foamy urine that smells fruity, like ammonia, or like maple syrup.
    • Diabetes can also cause your urine to have a strong odor.
    • Diabetes can cause the body to use up more water than it takes in. When this happens and the kidneys are working hard to filter out excess glucose (sugar), they may not be able to keep up with their job of removing waste products from the blood stream effectively enough for them to pass through the urine without forming foam on top of it all.

    You might have blood in the urine if it's dark red and foamy.

    If you see dark red, foamy urine and it's not the time of your period, then that could be a sign of blood in the urine. Blood in the urine can be a sign of a kidney infection or kidney stone, but it can also indicate an UTI (urinary tract infection). UTIs are very common and often treatable with antibiotics if caught early enough. If left untreated, they can cause serious health problems like kidney failure or even death!

    Your urine might smell like sulfur if you're dehydrated and haven't had enough water to drink.

    If you're dehydrated and haven't had enough water to drink, your urine might smell like sulfur. This is a sign of dehydration and can be caused by bacteria in the urine breaking down into hydrogen sulfide (H2S).

    If you have a UTI or kidney stone, both of which are common causes of sulfur-smelling urine, then this odor may also be present in addition to other symptoms like pain while urinating, pressure in your lower back or abdomen, cloudy or dark colored urine, fever and chills.

    Sometimes foamy urine is normal and not a sign of a health problem.

    Sometimes foamy urine is normal and not a sign of a health problem. Foam in your urine can happen after exercise, for example, or if you have kidney stones. It's also common for some people to have foamy urine all the time without any other symptoms--this is known as primary polyuria (PU).

    If you're concerned about your foamy urine, talk with your doctor about what could be causing it and whether it's something worth worrying about.


    If your urine is foamy and there are no other symptoms, it's probably nothing to worry about. If you have other symptoms like pain in the lower back or abdomen, blood in your urine or cloudy urine that smells like sulfur, visit a doctor right away.

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