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These causes are grouped into glomerular and non-glomerular causes, depending on the involvement of the glomerulus of the kidney. [1] But not all red urine is hematuria. [5] Other substances such as certain medications and foods (e.g. blackberries, beets, food dyes) can cause urine to appear red. [5]
Stomach acidity and dwell time may affect urine color intensity. [1] [2] [3] The presence of beet pigment-protecting substances, such as oxalic acid, in the meal and during intestinal passage, increase the color intensity in the urine. [1] Medications may affect stomach acidity, such as proton pump inhibitors, thereby affecting urine color. [2]
Statins (prescription drugs to lower cholesterol) are considered a small risk. [9] Some people have inherited muscle conditions that increase the risk of rhabdomyolysis. [3] The diagnosis is supported by a urine test strip which is positive for "blood" but the urine contains no red blood cells when examined with a microscope. [3]
Other things, for example, your medication, your diet and any infections you may experience, can cause the urine to change color. “Your color can vary depending on your hydration status.
In which, an excess of bilirubin being discharged through urine. [1] In case the urine looks in pink, red, or lighter brown is generally caused by beets, blackberries, certain food colorings, hemolytic anemia, renal impairment, urinary tract infection, medication, porphyria, intra-abdominal bleeding, vaginal bleeding, neoplasm located in either ...
Reddish or brown urine may be caused by porphyria (not to be confused with the harmless, [8] temporary pink or reddish tint caused by beeturia). Pinkish urine can result from the consumption of beets [8] Dark yellow urine is often indicative of dehydration. Orange urine due to certain medications such as rifampin and phenazopyridine
Under ideal situations myoglobin will be filtered and excreted with the urine, but if too much myoglobin is released into the circulation or in case of kidney problems, it can occlude the kidneys' filtration system leading to acute tubular necrosis and acute kidney injury. Other causes of myoglobinuria include: McArdle's disease
Damage to the distal tubule may cause loss of urine-concentrating ability and polyuria. [citation needed] In most cases of acute tubulointerstitial nephritis, the function of the kidneys will return after the harmful drug is discontinued, or when the underlying disease is cured by treatment.