The Meaning Of Urine Color
Eating foods that can discolor urine, such as berries, beets and rhubarb, or taking certain medications makes it more likely that you’ll have harmless changes in your urine color.
Urine gets its yellow color from a pigment called urochrome. That color normally varies from pale yellow to deep amber, depending on the concentration of the urine. Urine can turn a rainbow of colors, and an unusual hue isn’t necessarily cause for alarm, but it can also be a sign of a urinary tract infection.
Deep purple urine is an identifying characteristic of porphyria, a rare, inherited disorder of red blood cells.
Pigments and other compounds in certain foods and medications may change your urine color. Beets, berries and fava beans are among the foods most likely to affect urine color. Many over-the-counter and prescription medications give urine more-vivid tones, raspberry red, lemon-yellow and orange.
If your urine is very pale, it means that you’re either drinking a lot of fluid, or you’re taking a diuretic (a drug that forces the body to get rid of excess water).
Red or pink urine
Seeing red urine is typically a sign that there is blood in the urine, a little blood can produce a dramatic color change, and can be a sign of something serious, like an infection or cancer, and it warrants a visit to your doctor or urologist. If you’re seeing blood and your urine is also cloudy, there’s a good chance you’ve picked up an infection.
But despite it’s alarming appearance, red urine isn’t necessarily serious, it can also be caused by:
• Blood- Factors that can cause urinary blood (hematuria) include urinary tract infections, enlarged prostate, cancerous and noncancerous tumors, kidney cysts, long-distance running, and kidney or bladder stones.
• Foods- Beets, blackberries and rhubarb can turn urine red or pink.
• Medications- Rifampin (Rifadin, Rimactane), an antibiotic often used to treat tuberculosis, can turn urine red — as can phenazopyridine (Pyridium), a drug that numbs urinary tract discomfort, and laxatives containing senna.
• Toxins- Chronic lead or mercury poisoning can cause urine to turn red.
• Medications- Medications that can turn urine orange include rifampin, the anti-inflammatory drug sulfasalazine (Azulfidine) phenazopyridine (Pyridium) a drug that numbs urinary tract discomfort, some laxatives, and certain chemotherapy drugs.
• Liver or Bile Duct Issues- In some cases, orange urine can indicate a problem with your liver or bile duct, especially if you also have light-colored stools. Orange urine may also be caused by dehydration, which can concentrate your urine and make it much deeper in color.
Blue or green urine
• Dyes- Some brightly colored food dyes can cause green urine. Dyes used for some tests of kidney and bladder function can turn urine blue.
• Medications- A number of medications produce blue or green urine, including amitriptyline, indomethacin (Indocin) and propofol (Diprivan)
• Medical conditions- Familial hypercalcemia, a rare inherited disorder, is sometimes called blue diaper syndrome because children with the disorder have blue urine. Green urine sometimes occurs during urinary tract infections caused by pseudomonas bacteria.
Dark brown or tea-colored urine
Darker urine is usually a sign that you’re not drinking enough fluid. Your body needs a certain amount of fluid to function, so the body will hold on to fluid and the urine will become very strong and concentrated. When that happens, it will turn a darker color.
• Food- Eating large amounts of fava beans, rhubarb or aloe can cause dark brown urine.
• Medications- A number of drugs can darken urine, including the antimalarial drugs chloroquine and primaquine, the antibiotics metronidazole and nitrofurantoin, laxatives containing cascara or senna, and methocarbamol — a muscle relaxant.
• Medical conditions- Some liver and kidney disorders can turn urine dark brown, as can some urinary tract infections.
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