6 Ways Your Urine Color Is Signaling Something Serious

Conventional wisdom tells us that urine color is an accurate measure of daily bodily hydration. However, according to Harvard Medical School, this liquid byproduct of metabolism might be useful for more than just analyzing whether we’ve have had enough water to drink throughout the day.

Red urine

Normal urine color ranges from pale to deep yellow as a result of variations in the concentration of a pigment called urochrome. Any color outside of this range could potentially be pathological. For example, red urine (from pink to a very dark red) is often a sign of hematuria, or blood in the urine. Issues with the urinary system including (but not limited to) kidney stones, bladder infections, or bladder cancer could be causing this unusual pigment.

Brown or black urine

Urine that appears brown or black might actually be very dark red. In these cases, the color is likely a result of the same issues as mentioned for red urine. However, if the color is truly brown, it can be a result of liver conditions such as hepatitis and cirrhosis, which cause excess bilirubin (a compound that assists in the breakdown of waste products) to enter the urine.

In rare cases, brown or black urine could also be the result of melanoma, a serious type of skin cancer. This happens when melanin, the pigment that makes skin color, makes its way into the urine.

Orange urine

Several medications turn urine orange including some laxatives and chemotherapy drugs. These include Pyridium (a drug used in the treatment of UTI’s), Azulfidine/sulfasalazine (anti-inflammatory drug), and high doses of riboflavin (Vitamin B).

In other cases, liver and bile duct problems, along with severe dehydration, can have the same effects as the aforementioned medications on the color of the urine.

Blue or green urine

Certain dyes such as methylene (a dye used in diagnostic testing) can turn the urine blue. Because this dye has some antimicrobial properties, it is occasionally found in medications and home remedies.

There are also a number of rare medical conditions including hypercalcemia (sometimes referred to as blue diaper syndrome), a condition in which the calcium levels in the blood are above normal, and Hartnup disease, a conditioned marked by skin rashes, delays in cognitive development, and vision problems, that also cause urine to turn blue.

Purple urine

Purple urine is often a result of purple urine bag syndrome, which occurs when bacteria colonize in a urinary catheter and produce indirubin, a byproduct of bacterial metabolism.

Milky white urine

Urinary Tract Infections (UTIs) can cause milky or white colored urine because they trigger the release of large amounts of white blood cells. Some other causes of white urine are the consumption of purine-rich foods including red meat, anchovies, and herring.

When to see a doctor

If you have pain when you urine, observe blood in your urine, notice that your urine is a dark orange color, or are simply concerned about potentially having any of these conditions, you should consult a medical professional.

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