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My new cat is sneezing blood and has bloody stool. Is it normal?

Updated On September 23rd, 2025

Pet's info: Cat | American Shorthair | Male | neutered | 2 years old

Hello sir/mam I found a cat 5 days ago, I took him to the vet, he was healthy and clean. So he's staying home with us, I gave him a shower and didn't dry him but he has short hair so he started sneezing a bit and he has a runny nose for two days now and today he sneezed with some mucus and some blood on top of the mucus! He also has some red blood in his stool (not hard nor soft stool) &all he's eating is dry food and water and I'm not sure what he used to eat before I found him. Is that normal?

1 Answer

Most Helpful Answer

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Answered By Dr. Melanie, BVSc MS

Veterinarian

Published on January 20th, 2017

Congrats on your new kitty! It's so lovely of you to take him in, and give him a home. It sounds like he may have a respiratory infection, and that can cause him to sneeze with some blood. It's not normal, but it can happen. I would take him back into the vet, as he may benefit from some medication for his symptoms. I will give you a few things you can do for him home that will work in conjunction with the medications from the vet. First, you can try starting him on an L-lysine supplement - this is an amino acid that has been shown to help the immune system fight off respiratory infections more effectively. Enisyl and Viralys are both good brands, and can be purchased over the counter without a prescription - just follow the dosing instructions on the label based on your cat's weight. If he's congested, you can also try using a humidifier or bringing him into the bathroom with the door closed while you take a hot shower - the steam and humidity help to break up congestion and temporarily relieve symptoms associated with respiratory infections. As for the blood in his stool, that could be due to intestinal parasites or a sudden change in diet since you don't know what he was eating before. I would get a deworming treatment from the vet such as Panacur to make sure he's up to date on his deworming treatments. You can also try feeding him a bland diet of boiled white meat chicken (no bones) in small amounts several times a day for a couple of days to see if that helps with the blood in his stool. Then slowly add back in his normal diet.

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