Cat Urine Colour Brown. If the urine is cloudy and red it indicates that there is blood in the urine. For example a kidney infection called post-streptococcal glomerulonephritis PSGN can turn your pee a reddish-brown color.
When to see a doctor. Urine that is yellow with a greenish tint will point to liver problems. Urine thats brown or has any red coloring in it means theres blood in the urine.
Certain medications can cause urine to turn bluish pinkish or other colors.
The bacteria causes inflammation in the bladder which in turn causes bleeding and can be seen as either brown or red depending on how concentrated the urine is. A urinary tract infection can often easily be treated with a round of antibiotics but it is not something to put off treating for too long as it is very uncomfortable for the cat and can eventually lead to either kidney infections or chronic cystitis. Very dark urine can be a sign of dehydration. Cat urine should be a similar colour to human urine a clear amberyellow colour however as a cats urine tends to be more concentrated you may notice it is darker in colour to human urine.