Why did my cat start drooling after being given Benadryl?

Original Question: Little man whines and meows all night long and we can't sleep and I gave him a 1/4 mg of dissolved Benadryl in a dropper but he spat it out and it seems to make him slobber or make him temporary ill. - Myra

Why did my cat start drooling after being given Benadryl? Oct 15, 2018

Hi Myra,

I must first caution you to never use any over-the-counter medications on your pet without talking to your veterinarian first. That being said, it sounds like Little Man could be having a taste reaction or reacting adversely to the Benadryl. Whining and crying at night could be a sign of multiple problems including hyperthyroidism, high blood pressure, blindness, and senior cognitive (brain) changes and I would highly suggest a thorough evaluation by your veterinarian.

All the best,

Dr. Ryan Llera

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Why did my cat start drooling after being given Benadryl?
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Why did my cat start drooling after being given Benadryl?
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I must first caution you to never use any over-the-counter medications on your pet without talking to your veterinarian first. That being said, it sounds like your cat could be having a taste reaction or reacting adversely to the Benadryl. Whining and crying at night could be a sign of multiple problems including hyperthyroidism, high blood pressure, blindness, and senior cognitive (brain) changes and I would highly suggest a thorough evaluation by your veterinarian.
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Healthcare for Pets
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