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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Cat Veterinary
Satisfied Customers: 26288
Experience:  University of California at Davis graduate veterinarian with 44 years of experience.
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If my 10 pound cat accidentally took my metoprolol 100 mg.

Customer Question

If my 10 pound cat accidentally took my metoprolol 100 mg. what might happen? I think she may have taken it.
Submitted: 1 year ago.
Category: Cat Veterinary
Expert:  Dr. Michael Salkin replied 1 year ago.

I might dose a cat with 2-15 mg of metoprolol. 100 mg would be an egregious overdose and likely to result in hypotention (low blood pressure), bradycardia (slow heart rate), bronchospasm (closing of the airways due to muscle spasms), cardiac failure, and, potentially, hypoglycemia. If you can't induce emesis, it would be prudent to have an on-call vet induce emesis with an injectable emetic and then administer the universal antidote - activated charcoal.

Please respond with further questions or concerns if you wish.

Customer: replied 1 year ago.
If she took it , it would have been an hour ago, she is acting normal. My veterinarian is out of town and I don't have another one. How much peroxide can it give her to induce emesis?
Expert:  Dr. Michael Salkin replied 1 year ago.

3% hydrogen peroxide is dosed at 5 mL (one measuring teaspoon) per 5 lbs of body weight. She would receive two measuring teaspoons and hopefully vomit within 15 minutes. If not, you can repeat the same dose. Cats may not respond to peroxide. Please continue our conversation if you wish.