What is wrong with kitten when it has diarrhea along a swoolen butt?

There are several potential causes for diarrhea and a swollen butt in kittens, and it's important to have a veterinarian examine the kitten to determine the exact cause and provide appropriate treatment. Some possible causes include:

- Intestinal parasites: Kittens are commonly affected by intestinal parasites, such as roundworms, hookworms, and coccidia. These parasites can cause diarrhea, swelling around the anus, and other symptoms.

- Bacterial infections: Kittens can also develop diarrhea and a swollen butt due to bacterial infections, such as E. coli or Salmonella. These infections can cause inflammation and irritation in the intestines, leading to diarrhea and discomfort.

- Viral infections: Some viral infections, such as feline panleukopenia (FPV), can cause severe diarrhea and vomiting in kittens. This virus can also lead to secondary bacterial infections and a swollen butt.

- Dietary indiscretion: Eating something unusual or that disagrees with their digestive system can lead to diarrhea and stomach upset in kittens.

It's important to seek veterinary care if your kitten is experiencing diarrhea along with a swollen butt, as some causes can be serious and require prompt treatment. The veterinarian will be able to perform a physical examination, obtain a fecal sample for analysis, and may recommend additional tests to determine the underlying cause and provide appropriate medication or supportive care.