My cat hasn’t eaten or drunk for two days since I brought it home, and today it vomited yellow fluid. I don’t know if it’s from the vaccine. Please advise.

📅 👁 2659 views 💬 9 replies Digestive System
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Expert Answer

A cat vomiting yellow fluid can have several causes. 1) Long-term lack of food can cause it; try a little goat-milk formula or liquid food, and if vomiting continues, give probiotics and an antiemetic. 2) Internal parasites irritating the gut; deworm promptly.

3) Hairballs stimulating the stomach; give hairball paste to help expel them. 4) A normal vaccine reaction that usually improves in 2-3 days with probiotics. If the cat keeps refusing food, see a vet to rule out panleukopenia and parasites and treat accordingly.

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