Q. My Lab/Husky developed an allergy.. My vet put him on Benadryl for 2 weeks and it helped drastically. It's back. Ok to put him on a permanent regimine

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A. Finding out what he's allergic too and minimizing or eliminating the cause is the best course of action for your dog's health in the long run. However there is no known detrimental effect associated with long term benadryl use in dogs.

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