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My dog has hives. What should I do for his allergic reaction symptoms?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Male | neutered | 1815 years and 6 months old | 100 lbs

My dog is broke out in hives

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1 Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on May 21st, 2017

This is probably an allergic reaction due to an insect bite or a plant outside. those reactions tend to resolve within 48 hours without treatment. if the swelling becomes too large or if your dog is lethargic, take Silas to the vet in order to get an antihistamine injection.

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