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My dog has itchy bumps after flea bath. Can I give her Benadryl?

Updated On September 23rd, 2025

Pet's info: Dog | French Mastiff | Female | spayed | 100 lbs

My dog had fleas a week ago so we gave her a flea bath and cleaned the house. The fleas are gone however, today she has red bumps on her skin that are itchy for her, almost like hives. I wonder if we can give her OTC human medicine for allergies?

1 Answer

Most Helpful Answer

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Answered By Mirissa Duncil, DVM

Veterinarian

Published on July 5th, 2017

Hi there! Benadryl OTC is generally considered safe for dogs. It make make them a bit sleepy, just like us. Your veterinary office will likely give you a dosage if you provide Phoenix's weight, as we cannot legally give you a dosage for any medication because of laws prohibiting this since we have not physically seen you animal. However-if she actually has hives it is likely she has a reaction to something and the Benadryl may not be strong enough. If you get a dosage for that and it does not improve or gets worse, please take her in as soon as you can. I hope this helps!

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