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Pyuria

The medical term for cloudy, frothy and foul smelling pus in the urine is pyuria. It means the presence of significantly elevated level of white blood cells (leukocytes) in urine. White blood cells work with the immune system to defend against infectious diseases. A small number of white blood cells are normally present in the urine. But elevated levels indicate urinary tract problems signaling possible damage to the kidneys, ureters, urethra or bladder, inflammation or a contaminant.


Pyuria symptoms

Pyuria can be symptomatic or asymptomatic. Pyuria due to bacterial infection is symptomatic unless partially treated. Pyuria is asymptomatic when related to chronic infection from tuberculosis or mycoplasma, long-time indwelling catheters, inflammatory conditions like hemorrhagic cystitis, tubulointerstital nephritis or chronic prostatitis in men, or a contaminant such as vaginal secretions, vaginitis, cystocele etc. Asymptomatic pyuria goes away on its own, even without treatment.


  • Cloudy or milky urine
  • Foul-smelling urine
  • Frequent urgent need to urinate
  • Discomfort when urinating
  • Fever

Time to test

The test is done when individuals notice symptoms and seek medical attention. A physical examination is followed by laboratory urine test for pyuria urinalysis. If the test indicates pyuria, a culture of urine is suggested to detect the strain of bacteria that causes pyuria. To detect kidney abnormalities or infection, an intravenous pyelogram or ultrasound imaging of kidney is done. The presence of more than 3-5 white blood cells per high power field in the spun urine confirms pyuria.


Pyuria Causes

Urinary tract infection: The chance of urinary tract infection is high in men and women who are diabetic. As the urethra in women is comparatively shorter than men, it is easier for microorganisms to enter the female urinary tract and cause infection which increases the chance of women contracting urinary tract infection.

Sexually transmitted diseases: Men and women with sexually transmitted diseases are prone to pyuria.

Other causes: Other causes can be infectious or non-infectious.


  • Viral infection
  • Fungal infection
  • Anaerobic infection
  • Fastidious bacteria
  • Infection in prostate glands in men
  • Chemical poisoning
  • Kidney Stones
  • Tuberculosis of the urinary tract
  • Cancer of the urinary organs or genital organs

Non infectious: Medications, advanced age, pregnancy, tumors either benign or malignant can cause pus in the urine. Any other underlying problem in the kidney can also result in excessive levels of white cells in the urine.


Pyuria Treatment

The cause for pyuria determines treatment. For urinary tract infections, doctors prescribe antibiotic medicines. If the cause is due to sexually transmitted diseases, hygiene and other precautionary measures is recommended. Drinking plenty of water, juices sans sugar, avoiding fried foods, practicing good hygiene, not delaying for too long the urgency to urinate are proven precautionary measures of pyuria.


Quercetin

Quercetin is not a nutrient but a flavonol, a sub-class of Flavonoids. Anti-inflammatory, anti-oxidant, anti-carcinogenic and cardio-protective properties of Quercetin help in fighting diseases and improve over all well-being. It helps to get rid of damaging free radical molecules. It inhibits the formation of LDL cholesterol and various enzymes that cause inflammation in the body.


Role of Quercetin

The anti-histamine properties of Quercetin play a vital role in fighting allergies, specifically seasonal allergies (pollen, mold or dust). Quercetin inhibits histamine, (the chemical released by the immune system to trigger an allergic reaction) release from immune cells and helps reduce itching red eyes, runny nose and scratchy throat. Quercetin is beneficial to people with interstitial cystitis, high blood pressure, prostatitis. Quercetin also inhibits tumor growth.


Research indicates positive use of Quercetin in treating cellular damage in brain cells. Lesser damage to cellular proteins and DNA cells have been confirmed. By improving the strength of capillaries, Quercetin helps alleviate bruises, edema, varicose veins and fragile capillaries. A study on healthy but un-trained exercisers suggested that the antioxidant and anti-inflammatory properties of Quercetin help boost endurance capacity as well as maximal oxygen capacity. Headache and stomach ache are common side effects. High dosage can however lead to complications. The most common of the Quercetin side effect is heartburn that occurs soon after taking a large dose. Acid reflux may also occur.


PSA blood test

The Prostate Specific Antigen (PSA) test enables the medical practitioner to detect prostate cancer at an early stage. prostate Specific Antigen (PSA) is a protein produced in small amounts in the cells of the prostate gland. A PSA blood test helps to determine whether stage of prostate cancer is advanced enough to perform a biopsy of the prostate gland or not. When the prostate gland enlarges, PSA level in the blood tends to rise. This is indicative of cancer or benign non-cancerous conditions. PSA is called biological marker or tumor. As men age, both benign prostate conditions and prostate cancer become more frequent. The most common benign prostate conditions are prostatitis which is inflammation of the prostate, and benign prostatic hyperplasia - BPH which refers to the enlargement of the prostate.


BPH - Benign Prostatic Hyperplasia is not usually dangerous by itself. Any strain on the bladder owing to urine retention can lead to complications like bladder/kidney damage, kidney stones, Urinary tract infection (UTI) or incontinence. The etiology of BPH is still not clear while most agree that the metabolism of testosterone can partially exacerbate BPH. A part of the secreted testosterone ends up as DHT - Dihydrotestosterone which may accentuate other conditions other than BPH - like male pattern baldness.

When the PSA test is combined with rectal examination, 90% of prostate cancers can be detected. In the U.S., the American Cancer Society recommends PSA blood test at least once a year to avoid the risk of prostate cancer.

The PSA test has been called the 'male PAP test'. The normal range for a PSA blood test is between 0 - 4 ng/ml (nanograms per milliliter). A PSA level of 4 - 10 ng/ml is considered slightly elevated. Levels between 10 -20 ng/ml are considered moderately elevated. Anything about 20 ng/ml is considered highly elevated. Although the higher the PSA level, the higher the risk of cancer, one abnormal PSA test result does not necessarily mean it is cancer that is present, as various other factors may cause PSA levels to fluctuate.


The PSA test is a radioimmunoassay. In a diagnostic laboratory, the patient's blood sample is exposed to the antibody against PSA. That moment the amount of antigen (PSA) can be measured. It should be borne in mind that a man who is undergoing hormone therapy for prostate cancer may have a low PSA test reading during or immediately after the treatment. The low level may not be a true measurement of PSA in the patient's body. It is essential that such patients brief the doctor who may probably advise him to wait a few months after hormone treatment before having a PSA test done.

PSA test does not help a man with fast-growing tumors or aggressive cancer. It helps only in detection of small tumor and slow growing tumors which are unlikely to threaten a man's life. PSA test also cannot detect cancers spreading to the other parts of the body beforehand. There is a fear of false positives test results in PSA testing. Sometimes PSA level could be elevated but that does not necessarily mean cancer is present. A fear of false negative test result can also occur in PSA testing. That is the PSA test result will show negative even if prostate cancer is actually present in the patient. PSA blood test is often followed by other diagnostic tests such as ultrasound, x rays and cystoscopy to determine the presence of cancer or any other problem in the prostate.

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Bibliography / Reference

Collection of Pages - Last revised Date: November 12, 2019