Methimazole Prescriptions for Small Animals & Other Pets | Petco

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I put my cat's methimazole in a pat of butter so he will take the meds. Can I put together more than one dose this way?
I think I know what you're asking - you're asking if you can put together multiple doses of methimazole in separate aliquots of butter, correct? According to Plumb's veterinary handbook, methimazole is supposed to be stored in a closed container, away from light and at room temperature. So I think it would probably not be a good idea to prepare your butter + methimazole "doses" ahead of time, since the butter would need to stay in the refrigerator to stay solid. If it's hard to medicate your cat, you might investigate having your vet order a compounded flavored oral suspension of methimazole. This is usually quite easy to give, and compounding pharmacies can make meds with virtually any flavor added, so pets will take them.
Updated on September 24th, 2025
Health & Wellbeing
My 17 yr old cat has been diagnosed with hyperthyroidism. she was started on Methimazole chew treats and now refuses to eat them. I switched to the twist a dose ear Methimazole but if I give that to her daily like the vet suggested, all she does is
Luv Bug is so very fortunate to have you as an owner. I am sure that you are one of the main reasons that she is going strong at 17 years of age. Kudos to you for your consideration and compassion for your pet. In terms of hyperthyroidism in cats, there are only three real treatments on the market today. These are methimazole treatment, thyroidectomy surgery, and radioactive iodine treatment. It is believed in the veterinary community that radioactive iodine is the gold standard treatment today. With the information you have provided, I can offer you a few possibilities for future treatment: 1. Perhaps you can get the math him is all in a tablet form to crush it into a fine powder and then mix it with any palatable substance that she likes and then squirt it in her mouth with a syringe. This, however, may cause some behavior problems because she may not like this either. 2. If you are willing to accept the costs and all of the different parts that go with the radioactive iodine t
Updated on September 24th, 2025
Health & Wellbeing
highly concerning side effects suddenly began 11/22/18, after 2 weeks of methimazole (pill) for hyperthyroidism - lethargy, vomiting, face itching, irritability, hiding all day, less frequent bowel movements, bouts of anxiety. He has NOT refused food
These signs could be consistent with methimazole related side effects. GI upset and facial itching are some of the most common acute side effects in the first few months of therapy. I would recommend stopping the medication until you can talk to your vet about your concerns. Some cats can not take this medication and thus require an alternate method of treatment. If still eating and drinking that is good. If any of the symptoms worsen an ER visit is advised. I hope this helps and thank you for using Boop by Petco!
Updated on September 24th, 2025
Health & Wellbeing
My cat is hyperthyroid and on methimazole twice a day. I am going away for a week and wanted to know if i can double up her medicine to once a day so my pet sitter would only need to make one visit a day
Hi, thanks fir using Boop by Petco! Madeline is super cute! Yes, that is absolutely fine to have the pet sitter give methimazole once daily (double the single dose to equal her twice a day dose) while you are away! Have a great weekend!
Updated on September 24th, 2025
Health & Wellbeing
My cat has been prescribed 2.5 mg of Felimazole twice daily for hyperthyroidism. How long does the Felimazole stay active in the cat’s bloodstream? The reason for the question is that when I need to be away from, I have a cat sitter that comes in on
Hello. Felamizole generally stays in the system for 12 hours, but it is not uncommon to increase the dose when an owner will be away temporarily. It is best to start the 5mg once a day several days before you leave to see if you notice any difference in Mia, but I have recommended this in the past. Resume the twice daily 2.5 mg dose once you get home. Thanks for using Boop by Petco.
Updated on September 24th, 2025