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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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.

Author

Dr. Ryan Llera

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Healthcare for Pets

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