Brown Urine

Dark-cloloured urine
Aetiology—pathologic Hematin, dipyrrole—from unstable haemoglobin—homogentisic acid, melanin, myoglobin, porphyrin, myoglobin,
Aetiology—nonpathologic/physiological Aloin, beets, cascara, chloroquine, cresol, drugs—azo gantricin, methylene blue—aniline dyes, fuschin, menses, iron, metronidazole, niridazole, nitrofurantoin, rhubarb, salol, methoxazole, sulfonamides
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
If you get headaches, feel nauseated, become really irritable, or have dark yellow or brown urine, "you've gone too far," Richardson says.
Extremely dark, bordering on brown urine can mean that your dog hasn't drunk enough water.
He said it took nine to 14 days to develop symptoms of Malaria which include fever, body aches, nausea, unconsciousness and passing black or dark brown urine.
In 2017, a University of Texas football coach created a urine-based 'Longhorn Football Hydration Chart,' which labelled players with yellow urine as 'selfish teammates' and those with brown urine as 'bad guys.' This 'hydration shaming' practice has permeated high school sports, thereby encouraging a sporting culture which equates superior performance with superior hydration.
Dark brown urine might signal a liver disorder, but this will usually be accompanied by a jaundiced complexion and pale coloured poo.
Symptoms of rhabdomyolysis include muscle pain in the shoulders, thighs, or lower back; muscle weakness or trouble moving arms and legs; dark red or brown urine; abdominal pain; nausea or vomiting; fever; dehydration; and lack of consciousness.
One of the most reliable signs is the presence of red or brown urine. There are very few diseases that will cause this to occur and if a horse has signs of atypical myopathy, and has been grazing near Sycamore trees, then the presence of red/brown urine is as good as proof that the horse has the disease.
The benzoic acid picture is consistent with shifting dull kidney pain, chills and a cold sweat, repulsive dark brown urine, high levels of uric acid in the urine, and depression.
Brown urine may indicate severe dehydration, paracetamol overdose, metronidazole, nitrofurantoin, haemolytic anaemia, porphyria, or melanoma.
Many patients report passing red to brown urine that may darken when exposed to air, light and warmth.
And, when taking any anticoagulant drug, seek medical care immediately if you have symptoms of bleeding, such as bloody or tarry stools, red or brown urine, coughing up or vomiting blood or material that looks like coffee grounds, or nose bleeds.
Following mean incubation periods of 8 [+ or -] 5.3 hours; the most common presenting manifestations included myalgia, muscle rigidity, nausea with and without vomiting, chest pain, diaphoresis, dyspnea, and myoglobinuria (brown urine).