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Can cat antihistamines stop allergic reactions to flea bites?

Updated on September 23rd, 2025

Pet's info: Cat | Mixed Breed | Female | spayed | 3 years and 5 months old | 9 lbs

Hi, my outdoor cat has flea allergy dermatitis and I do my best to keep a strict flea treament regime with spot on treatments, flea tablets and a spray for the house, but she still gets the ocassional bite that results in painful scabs on her neck and back. Is there anything like a cat antihistamine I could get for her so, even if she gets bit, she doesn't have the allergic reaction? Thanks :)

1 Answer

Most Helpful Answer

Rodrigo Roca, DVM

Answered By Rodrigo Roca, DVM

Veterinarian

Published on May 8th, 2018

Hello, sorry to hear about Eli. Unfortunately, anti-histamines don't work well with that time of allergy reaction. Typically, we can use a short course of steroids or a steroid injection to break the itch cycle. These may be obtain from your veterinarian through a prescription. Know that steroids in cats can cause increased anxiety and muscle loss. Hope this helps and best of luck.
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