HomeCat HealthhyperthyroidismMethimazole Gel Pen for Cats – Pros and Cons


Methimazole Gel Pen for Cats – Pros and Cons — 18 Comments

  1. Do any of you ever have issues with the gel pen not functioning right? I’m to give two full rotations to right and insert gel onto my cats ear. Some of my pens last 3 weeks and some will not put out enough gel on the tip. Do you have these issues? My vets secretary accuses I’m not giving the right doses or I’m missing doses. Not true at all. It doesn’t take a rocket scientist to operate these pens. Let me know if you experience any issues. Thanks.

    • on when first starting the pen. I have to click a few times to get the 1st dose then it is fine. So much easier than a glove and pushing out from syringe and then applying.

  2. My cat is on this gel. She cannot get to it once it’s in her ear and the amount given is tiny. I do have to make sure it’s down inside the ear fairly far, but cats cannot lick inside their ears so as long as it’s in the ear they won’t ingest it. It’s much easier to give her this gel than to try and get a pill down her throat. She actually jumps on the bed now so I can clean the opposite ear and dose the other one. Less traumatic for everyone involved.

    • Thanks for sharing your experiences with this product – it is appreciated and it is useful information.

  3. Well, talk about cherry picking your data with the statement that only two of six cats showed detectable levels of methimazole. You really need to state up front that this was a single dose study in healthy cats. Further, in the paragraph just above the one where you cherry picked your viewpoint, is a description of a study where 9 of 10 hyperthyroid cats showed clinical improvement on transdermal methimazole.
    The fact is, this is a very safe method of treatment. Not all cats do respond, but in my practice, it appears that about 75% do respond positively.

      • I have been using methimazole transdermal twist a dose gel for my hyperthyroid cat for over 3 years and it’s been great! I just wish I had found out about it sooner b/c I lost a cat due to a stroke induced by hyperthyroidism.

  4. This seems far from accurate dosing and too easily shared amongst other cats in the household as well as anything else the cat comes up against. If all this is for convenience for the owners then for goodness sake man up people and give you cat the treatment in the traditional way!

  5. Far too risky for me. Any cat, even the dosed cat, has access to be able to ingest the gel.
    Plus, I’m not too surprise that a study would show none or minimal amounts in the cats’ bloodstreams. I don’t think the ear flap of cats are vascular enough for the gel to be absorbed into the system.

  6. Well this is new to me and I can’t say as I like the sound of it very much. What about the cat himself washing the ear this medication is put on and swallowing some?
    This is why spot on flea treatment is put where the cat can never reach to get any on his paws or tongue.
    Is this gel just another easy way out to medicate a cat?
    Very worrying!

    • My cat has been on methimazole gel for two years, no problems at all with washing,my only problem is the manufacturer runs out for some reason then my blood boils as I have worked long and hard to get her where she is today,back to her weight level, glossy coat,so not amused, don’t seem to be able to buy it on the internet and very very expensive from vets.

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