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Ask Dr. Michael Salkin Your Own Question
Dr. Michael Salkin
Dr. Michael Salkin, Veterinarian
Category: Vet
Satisfied Customers: 39521
Experience:  University of California at Davis graduate veterinarian with 45 years of experience.
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I think a 4 year old cat may have eaten 7 x 10mg of carbimazole

Customer Question

I think a 4 year old cat may have eaten 7 x 10mg of carbimazole 2 days ago. I think he was sick yesterday. I am feeding cats whilst owner is on holiday and the carbimazole tablets were pushed inside treats and the cats pulled lid of plastic box. It is only today I think I have established which cat eat the tablets.
Submitted: 3 years ago.
Category: Vet
Expert:  Dr. Michael Salkin replied 3 years ago.
I'm sorry that your question wasn't answered in a timely manner. Carbimazole is quite bitter and so I would hope that one inadvertent taste of a pill would have precluded ingesting any more than one. Vomiting, anorexia, and depression are the most common of the adverse effects from this drug but are expected to be transient. If Tommy has already normalized there's no reason to expect lasting adverse effects of his inappropriate ingestion. Serious but rare adverse effects include self-induced excoriations, bleeding, hepatopathy (liver disorder), thrombocytopenia (decreased blood platelets), and agranulocytosis (lack of white blood cells). These would be readily evident as a profoundly affected cat and prompt a vet visit. Please respond with further questions or concerns if you wish.