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My 6-week-old kitten has bloody diarrhea & vomiting. Should I go to vet?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | unspayed | 1 month and 13 days old | 1.4 lbs

Kitten is 6 weeks old. We were feeding her wet food with formula milk and was fine. Fed her Dry food soaked in water and seems like it does not match with her. She had diarrhea a couple times and looks like there is a small amount of blood in it. Vomited a very small amount of water. Is this an emergency? Do I just take them to the vet in the morning? What should I do? Please get back to me with some help.

1 Answer

Most Helpful Answer

Laura Johnson VMD

Answered By Laura Johnson VMD

Veterinarian

Published on May 8th, 2018

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Nami!

At 6 weeks old Nami should be on 100% kitten food. She no longer needs formula. It could be her diet or the formula causing the diarrhea. Other causes of diarrhea in a kitten are: intestinal parasites and viral or bacterial infections.

The blood indicates inflammation in the colon and the blood tends to show up with severe diarrhea or diarrhea occurring for several days. If Nami is eating and no longer vomiting I would eliminate the formula and the food you think upset her stomach. If the diarrhea isn't better in 2 days then bring a stool sample and have her seen by a Vet. If she won't eat or vomits again she needs to be seen.

I wish Nami the best!
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