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Dog allergies: When to use Benadryl? Do I need fish oil or probiotics?

Updated On September 23rd, 2025

Pet's info: Dog | Cavalier King Charles Spaniel | Female | spayed | 5 years and 5 months old | 17 lbs

David? My vet recommended Benadryl for my dog for her itching and environmental allergies but she doesn't appear to be having any itching right now. Her eyes sometimes would get bloodshot, would Benadryl help with that? I'm wondering if I should temporarily discontinue the Benadryl since she's doing better? I don't want to add unnecessary supplements to her diet. Right now she's on a joint pill because her breed is prone to joint problems. Does she need fish oil or probiotics? she's on Acana.

1 Answer

Most Helpful Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on November 20th, 2017

Thanks for using Petco Pet Education Center, formerly Petcoach! Seems like you are doing a very good job. You can use the Benadryl on an as needed basis. Fish oil helps quite a bit with skin issues so I think that would be a good idea. You can get the veterinary commercial fish oil you can buy online or at your local pet store. Good luck and have a great night!

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