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My cat won't eat wet food after recent vaccines. Should I see a vet?

Updated On September 23rd, 2025

Pet's info: Cat | Domestic Longhair | Male | neutered | 2 years and 3 months old | 10 lbs

My cat is not eating his wet food since last 2 days, even his favorite (fancy feast salmon pate). He's eating a bit of his grain-free dry food from his timed feeder and drinking water. He got his annual shots from Vetco (fvrcp+felv+dewormer) 3 days ago. He was lethargic 2 days ago but seemed fine yesterday night. Should I take him to the vet?

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1 Answer

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Answered By Stacey Anstaett, DVM

Veterinarian

Published on October 1st, 2018

What a sweet guy! I suspect he may just be feeling a bit punky from his vaccines. Since he's still eating some of his dry food, and he seemed to be acting normally last night (it sounds like you are describing that the lethargy is improving), I think it reasonable to give him a couple of more days. If he still isn't back to himself by the end of the week, take him to your vet. If he is declining at all (becoming less active, vomiting, having diarrhea, completely anorexic, any change in breathing) take him in ASAP. Thank you for asking Petco Pet Education Center, formerly Petcoach!

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