• I submitted the following yesterday, and received the following answer (see below) - however, I can't seem to get a call back from my vet at a time when we can actually speak, so if someone could simply provide recommendations based on a cat, not necessarily my cat's medical record, I'd really appreciate it. Will reducing the Felimazole to 2.5 mg (1/2 the 5 mg pill) potentially produce results in thyroid levels? The vet didn't even seem to suggest this, just wanted to recommend radiation something or special food. I think we should reduce script levels, or increase slowly again, and then check blood levels before actually changing to an entire other line of prescription. I just want to know if minimal nausea and subtle behavior changes are normal, if they go away once the cat is used to the med, etc. He hasn't vomited again since I reduced the pill amount. His T4 levels were 7.000 about 3 weeks ago before any meds, and we haven't been back again yet to recheck. Thanks for anything you can provide. MY QUESTION YESTERDAY: "My cat was prescribed Felimazole, and I've administered 1/2 pill twice per day for 7 days, followed by just completing 7 days of full pill twice per day (supposed to continue until check-in blood testing Aug. 6). He threw up 5-6 times yesterday, and I'm wondering if related to medication. I gave him 1 full pill last night after he hadn't vomited for several hours, and he vomited once after an hour, but no more following. I administered 1/2 pill this morning, and wonder if that is okay? He had not vomited all night. Can I continue with 1/2 pill to see if tolerates, or will this disrupt the needed dose of medication? Should I try full pill once more to see if he was maybe just a bit ill from something unrelated? He has eaten, drank water, and used the litter box since, so he's not severely ill. Thank you! YOUR ANSWER: "Hi Anna, I recommend that you talk to your local veterinarian who prescribed the medication about this question. The best answer to this will depend on a few different factors including your cat’s overall health, the severity of the hyperthyroidism, and the timing of the vomiting. Your vet knows your pet’s medical history and they will be better able to answer your questions about this."

    Hi Anna,
    It will still be best for you to talk to your veterinarian about the effects that you are seeing in your cat. In general Felimazole can cause vomiting and nausea in some cats. As for recommendations if your cat can stay on the 2.5mg or needs the full 5mg is not something that I can say without knowing your pet’s medical history. Some cats can do well on 2.5mg but many will require the higher dose. Your vet will be your best resource on this. Sorry that I can’t give more information but I cannot legally give specific treatment recommendations unless I have a valid vet-client-pet relationship.

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