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Why is my dog's red, irritated eyelid still crusty after Benadryl?

Updated On September 23rd, 2025

Pet's info: Dog | Husky | Male | neutered | 11 years and 7 months old | 56 lbs

My dog has a red irritated upper eyelid. It seems to crust after a while. I gave him some Benadryl hoping to bring down the swelling, thinking it was an allergic reaction and it seemed to help somewhat but now its back.

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2 Answers

Most Helpful Answer

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Answered By Dr. Leigh, DVM

Veterinarian

Published on July 17th, 2017

He could have a bacterial infection and need an antibiotic to treat. Since the Benadryl is not working, he should be examined by a vet for treatment. Your vet can prescribe an antibiotic and an anti-inflammatory, if needed, to treat.

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    Answered By Dr. Davis

    Veterinarian

    Published on April 1st, 2018

    This looks like conjunctivitis. The benadryl should reduce the itching but I recommend a veterinary exam to check for a corneal ulcer and get eye medication to reduce the swelling and prevent infection. I always recommend an exam and treatment with eye problems since they can sometimes cause permanent vision problems. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Jake.

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