My hyperthyroid cat won't eat after Felimazole. Any appetite meds?

Question

Our cat Duchess, age about 10 yrs, had been chewing on plastic. We tried to stop it but then she started pulling the hair out of her tail. Duchess stopped eating and was taken to hospital last night. They said it was hyperthyroidism and gave us Felimazole to treat her. She still hasn’t eaten and we are now about 42 hours without eating, she’s not interested in anything. Including treats. Is there a medication that might help her be hungry??? Oh she weighs about 2 1/2 kg, mainecoon. Pet's info: Cat | Maine Coon | Female | 6 lbs

Linda G, MS, DVM · Accepted Answer

Hello. Yes, there are appetite stimulants that we often give to cats & I am sure your veterinarian is aware of this. Common ones are mirtazapine & cyproheptadine. Cerenia is often used just because it treats nausea, and a newer product called Entyce is being used extra-label in cats ( it is only approved for dogs right now, but the company is working on a cat application). One of the adverse effects with Felimazole is the possibility of loss of appetite. Sometimes discontinuing the medication for a few days & restarting at a lower dose gradually increasing to full dosage is necessary. Hopefully, Dutchess will be feeling better soon. Thanks for using Petco Pet Education Center, formerly Petcoach.

My hyperthyroid cat won't eat after Felimazole. Any appetite meds?

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