The main reason for the darkening of urine in cats is the presence of blood and bacteria. This happens due to the presence of crystals in the urinary tract or due to an inflammatory process. But there may be other reasons. In any case, the darkening of urine from animal is reason for an immediate visit to the vet.

Dark urine color may be caused by violation of the blood coagulation process. In this case, the cat should be pinpoint subcutaneous bleeding known as petechiae.


Infections and stones in the urinary system


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Urinary tract infection may be more amenable to treatment than uric acid crystals. However, the consequences of infection can be quite severe. Bacterial infection most often takes a bottom-up character and, reaching the kidneys, can cause serious violations in their work. Prolonged infection leads to the fact that the cat loses weight because of the loss of proteins. Also due to the fact that the bacteria increase the pH of urine in the bladder can be formed struvite - stones, gives the animal great suffering. In most cases, urinary infection in females is much more dangerous crystals (for males characterized by blockage of the urinary tract). If a urine test shows the presence of the animal and infection, and crystals at the same time, it is difficult to say exactly what the problem is primary and which is secondary. How infection can lead to the formation of struvite, and the crystals themselves, hitting the wall of the bladder, can cause infection. In any case, veterinarians prescribe antibiotics and recommend special diets.

Dehydration


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Urine may acquire a dark, but rather dark orange color due to dehydration, so make sure that the cat drinking enough fluids. Canned food is a better option than dry food, so if you're having problems consider adding wet food to the diet of the pet.

A blood disease called thrombocytopenia, which revealed a low level of platelets in the blood, may also cause darkening of the urine.


Reproductive system


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If we talk about females, that dark urine may be due to diseases of the reproductive system, under which fall the dark urine, bleeding from the genital organs of a cat. We are talking about such serious diseases as ovarian cancer, neoplasia, and inflammatory processes of different etymology.

Heat


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Heat is a natural process, indicating the willingness of the cat to mate. In this animal there are menstrualnopodobnoe selection, which can get into the urine and stain it a dark color. If a cat has all the signs of heat, dark urine is not a reason for going to the vet.