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Cher, Feline Specialist
Category: Cat
Satisfied Customers: 21420
Experience:  Feline Healthcare & Behavior Specialist 40+ years Experience
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What does it mean if there's blood when my cat pees?

Resolved Question:

What does it mean if there's blood when my cat pees?
Submitted: 10 years ago.
Category: Cat
Expert:  S. August Abbott, CAS replied 10 years ago.

Red (or pink) in a cat's urine is a red flag symptom.

When it comes to cats, urinary problems may quickly turn into blockages. When this happens, it's a medical emergency, you have a matter of hours, at best, ***** ***** the cat treated (usually operated on). It's far better to treat the earliest symptoms than be put in this position, which will cost even more if it happens at night, on a weekend or holiday.

If it's a parasite, fungal or bacterial infection, some of these are transferable to people. Keep your hands meticulously washed, litter boxes well cleaned and again, treatment sure beats the complications that may arise.

If you need some help in getting your companion treated, here are some options:

Don't forget to call your local Humane Society for guidance as well. If you have a Pet Smart in town, they often have the numbers for rescue organizations that may also help, at least with recommendations for where (or who ) to go.

It's truly worth doing the right thing - cats have a lifetime of unconditional love in them and ask so little in return. It's really a good deal.

Customer: replied 10 years ago.
Relist: I prefer a second opinion.
Expert:  Animal Health Advocate replied 10 years ago.
It is unusual for cats to have urinary tract infections, but it is possible, and more likely if there is something else predisposing the urinary tract infection (such as diabetes).

So, the other more likely possibilities include FLUTD (feline lower urinary tract disease, which is a syndrome - meaning we don't really know one single cause) that causes urinary spasms and blockage. Some of these cats are blocked with mucus, some of them have crystals, some have nothing that we can see in the urine, and some with combinations of the above. Cats with FLUTD also often have increased urination, and may be straining in the litterbox. Often there is a stressful event in life that sets things off: visitors to the house, new furniture, new pet in the household, owners away, etc.

Another possibility would be urinary stones, and less commonly, bleeding disorders (usually from poisoning or liver disease. Other causes are even less common). Or maybe there is bleeding from other places nearby (such as uterus or colon).

If you have a boy cat, I would take him to the vet, especially if you see straining. Male cats have smaller urethral openings and can easily get blocked (from urethral spasms, or blockage by stones/crystals/mucus), leading to building up of toxins in the bloodstream that can become life threatening within 1-2 days. THIS IS URGENT.

Because there are a few possibilities as to why your cat has blood in th urine, I would recommend veterinary care to see which disease your cat has. Your vet will probably want to do urinalysis, to see if there is any evidence of infection or crystals. Other possibilities include bloodwork to make sure that there is no build-up of toxins not excreted by the kidneys, and that there is no bleeding disorder. X-rays may also be recommended to rule out stones.

I hope this helps.
Customer: replied 10 years ago.
Relist: I prefer a second opinion.
Expert:  Cher replied 10 years ago.

Is your cat male or female?

What is the age of your cat?

When did you first notice the blood in his/her urine?

What type of food does your cat eat (brand, canned/dry)?

Does the blood in the urine make it seem very red or just tinged with pink?

Does your cat go outside at all and does he/she ever eat or try to eat, non-food items or nibble on houseplants?

Thank you for any additional information you can provide, so that I may send you the most complete answer.

Customer: replied 10 years ago.
Reply to Jessesmom's Post: My cat is male and Neutered.

He is 5 years old.

I noticed a few days ago, because he soiled where he shouldn't have.

I get meow Mix, dry.

The blood seemed rather noticeable, so I would say more on the red said.

Strictly an indoor cat, I also have 3 others that are indoor cats.

I do catch him from time to time trying to nibble on things from the carpet like lint, no plants are in the home.
Expert:  Cher replied 10 years ago.
Hi again, and thanks for your additional information!

Blood in the urine is a signal that something is wrong in the kidneys or bladder, and the cause of that 'something' can have various reasons.

A urinary infection and/or the presence 'crystals', which are tiny particles that develop in urine which is not pH balanced (it's not acidic enough) can irritate the lining of the kidneys or bladder, thicken the bladder wall, and cause blood to appear in the urine. In male cats especially, because the urethra is so narrow, if crystals clump together and cause a blockage or obstruction, the cat will no longer be able to urinate, and this will become a medical emergency. His bloodstream will become poisoned by the toxins not being permitted to leave his body through the urine. If he's not showing signs of a blockage now, that's great, but you must bring him to the vet to be evaluated, have his urine tested, checked for infection and/or the presence of crystals, so then he can be treated accordingly. Antibiotics would be prescribed for an infection and dietary changes and/or nutritional supplements would be suggested to help acidify the urine to prevent a recurrence of crystals.

Also, encouraging him to drink more water would be great. You can get a cat drinking fountain, as cats love to drink from running water, and also very slightly salt his food.

I had asked if he eats non-food items, because if he has ingested something sharp or irritating, as it passed through his sytem, this could result in blood in the urine, also.

Another possibility is food allergies. Even if he's been eating the same food for a while, if it contains many 'fillers', especially corn, wheat, and/or gluten, in addition to any artificial colorings and preservatives, these are all common allergens to cats. A food allergy can cause irritation to the system, and again, blood in the urine.

Physical factors aren't the only reason a cat can have blood in the urine and/or a urinary infection; stress is another cause.
Felines are very sensitive and they are creatures of habit. What may seem like a very 'minor' change to we humans (like changing the configuration of your furniture), may have a huge impact on your cat's sensitive system. The cause may be emotional or psychological, but he result is physical, and can show up as an infection and blood in the urine.

To cut down on any stress your cat may be experiencing, you can use Feliway, a cat appeasing pheromone which comes in a spray and plug in diffuser form. The diffuser resembles a plug in air freshener, but has no scent to humans. It's sold in stores like Petsmart, etc., and also online. For more information about Feliway, please see:

Clean the area he's already soiled with an enzymatic cleaner made for pet stains/odors. Some good products for this are Nature's Miracle and Zero Odor. There are many good cleaners for this purpose sold in Petsmart, etc., but make sure whatever you get, it says 'enzymatic'. When you clean with this type of product, no odor will remain, so your cat(s) won't think this is a 'correct' place to urinate.

Your cat has some of the classic symptoms of a urinary infection and/or crystals. For this reason, and because he's a male, this problem must be properly diagnosed and treated by your vet. There's no other course of action if you want him to get well and not worsen.

I wish you much good luck and hope that you will bring him to be checked out ASAP. Your vet is the only one who can put him on the road to wellness at this time, and prevent any major medical emergencies, like a urinary blockage. Please let me know how he's doing and what the vet's findings are. Thanks!

Cher, Feline Specialist
Category: Cat
Satisfied Customers: 21420
Experience: Feline Healthcare & Behavior Specialist 40+ years Experience
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