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What's the right dose of Gravol or Benadryl to sedate my cat?

Updated on September 23rd, 2025

My vet said I could give my 15 lb 7 year old female cat 30 ml of child's gravol to help in getting he shaved, this sounds like way too much.

1 Answer

Most Helpful Answer

Debi Matlack

Answered By Debi Matlack

Veterinary Technician

Published on April 11th, 2015

You can give ~12.5mg of dimenhydrinate as the cat dose. However, dramamine (same thing) is not a very good medication for sedation in cats. It works well for motion sickness.

If you want an over the counter medication that generally works better as a sedative in cats, then try diphenhydramine (benadryl). Give 12.5mg (the children's dose, or 1/2 the adult dose). Benadryl tends to do a better job for sedation.

Did your vet possibly say 30 MG, not ML? You're right, 30 ml is an entire ounce of liquid and I doubt that you'd get much in, as little as cats like getting medicine.
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