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Ask the Vet About Hyperthyroidism in Cats

Dr. MichaelDym
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While efforts are made to answer all questions as quickly as possible, if an immediate answer is required or if your pet is in need of urgent or emergency care, contact your pet's veterinarian immediately.

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Showing 1 - 15 of 34
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1
DateJul 4, 2021
CategoryHyperthyroidism
Pet Typenull
TopicMedicine
vet-qa-signature
Question:

I have a prescription from my vet & I’m wondering how to get the information to you.

Answer:

It depends on what medication you are trying to order. since you filed the question under "hyperthyroidism", I'm going to guess that you are looking for methimazole, so here is a direct link to the order the product: https://www.1800petmeds.com/Methimazole-prod10491.html

2
DateJun 24, 2021
CategoryHyperthyroidism
Pet Typenull
TopicFinal stages of hyperthyroidism
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Question:

My cat was estimated to be 6 years old when I adopted him from a shelter and shortly afterwards he was diagnosed with hyperthyroidism. He's now 11 years old. We tried methimazole first but he would vomit it up shortly after administering it. Vet switched him over to Hill's prescription diet dry food y/d which worked for a while but with vomiting that worsened over time. The whole time he had very loose, watery stools. Switched to the Hill's y/d can food. The vomiting slowed for a while then became more frequent again. Stools continued to be loose. It was getting so bad that he was sick daily. He'd howl and vomit, and try unsuccessfully to make it to his litterbox. I could tell he was in pain and distress. I suspect he has IBD as well. He has gone from a healthy 12 lbs when I adopted him, to less than 8 lbs. He is so skinny his bones are protruding, and he sleeps all the time. My last desperate attempt to help him was to give him a raw food diet consising of organic chicken thighs, hearts, liver, and supplements recommended by a holistic vet. He did amazingly well at first. Solid stools, no more vomiting, and became playful and energetic. Sadly, this only lasted about a week. It's been 3 days now and he hasn't eaten. I'm out of ideas and cannot afford the radiodine treatment that could potentially cure him. I guess I need to know when it's time for me to let him go - to have him euthanized.

Answer:

It does sound like he has more than one problem (possibly IBD with hyperthyroidism) - maybe the diet helped the IBD but it sounds like the hyperthyroidism is totally uncontrolled if he isn't on any methimazole. Ask your veterinarian about transdermal methimazole.

3
DateMay 16, 2021
CategoryHyperthyroidism
Pet Typenull
TopicFelimazole
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Question:

I accidentally gave my one cat the other cats felimazole, 2.5mg dose. She seems ok. What should I watch for?

Answer:

If she is otherwise healthy, just a one time, normal dosage, shouldn't cause any major issues. She might be a little more tired, but I doubt you will notice anything.

4
DateApr 25, 2021
CategoryHyperthyroidism
Pet Typenull
TopicThyroid
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Question:

What are the symptoms of a thyroid problem in cats?

Answer:

Here is a link to a really good article, written by another veterinarian, from a site that I trust about the symptoms of hyperthyroidism - there are other links on the page to treatment options as well: https://veterinarypartner.vin.com/default.aspx?pid=19239&id=4951398

5
DateMar 19, 2021
CategoryHyperthyroidism
Pet Typenull
TopicTransdermal Methimazole
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Question:

Is there a transdermal compound that would deliver 2.5mg of Methimazole 2X per day? What would be the cost of a 30 day supply? This is for a 15 year old female cat. Thank you!

Answer:

Here is a link to our transdermal methimazole, with the price: https://www.1800petmeds.com/Methimazole+Compounded+-prod90110.html

6
DateMar 12, 2021
CategoryHyperthyroidism
Pet Typenull
Topichyperthyroidism and extreme stress
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Question:

Seeking a second opinion, going to try to keep this brief! My 14-year-old cat Budder has hyperthyroidism and severe anxiety — he shakes, howls, etc. while being transported, in unfamiliar environments and around unfamiliar people. Tomorrow we plan on taking him to a friend’s house for a few hours while things are done in our apartment, but it seems likely that he has high blood pressure and I’m worried that the stress of transporting him + the new environment could cause a stroke or a heart attack. He started transdermal Methimazole last week after months of inconsistent treatment with tablets throughout which time he continued to show symptoms of hyperthyroidism. We’re still waiting for the results of urinalysis and bloodwork so we ultimately don’t know anything about the state of his heart and kidneys. We have Gabapentin that he was prescribed some time ago, before his hyperthyroidism diagnosis but some time after the onset of symptoms. He was still very stressed the last time he took it but it definitely helped and there were no complications. I realize this may be too much to ask of someone who has not examined him, but is Gabapentin more likely to help or harm in this scenario? Are there other medication options we should be exploring (ex: blood thinners, etc.)? Should we postpone the work in our apartment until we have all of his results back? Again, my biggest concern is the stress causing his blood pressure to sky rocket, causing a stroke or something of that nature. I can’t overstate the severity of his anxiety. He basically has panic attacks. Finally, if he does in fact have high blood pressure or a heart condition, what is the likelihood of extreme stress causing a medical emergency? Apologies for the many questions, just want to make sure I’m doing the right thing for him. Thank you.

Answer:

All of these questions are going to be best answered by his veterinarian who has access to his bloodwork. I would wait on that to come back to see if the gabapentin is ok to give him, so yes, it sounds like it's best to postpone if that is an option, until his bloodwork comes back, then ask your veterinarian. That will give the methimazole patch a little longer to hopefully get him more regulated as well.

7
DateMar 3, 2021
CategoryHyperthyroidism
Pet Typenull
TopicThyroid
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Question:

My cat is showing many signs of a thyroid condition..sudden ravenous appetite..matted fur..weight loss..could this be the problem?

Answer:

Yes, hyperthyroidism is fairly common. Many other conditions can mimic it (especially the weight loss and unkept hair coat) so see your veterinarian for some quick & easy blood tests to see exactly what is going on.

8
DateDec 30, 2020
CategoryHyperthyroidism
Pet Typenull
TopicThyroid
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Question:

Do you have a medication called ( Methimazole) 50mglml transdermal gel if so what is the cost and do you take CareCredit MasterCard thank you Kathy

Answer:

Yes, here is a link to read about it, with the price: https://www.1800petmeds.com/Methimazole+Compounded+-prod90110.html As far as CareCredit, you will have to ask Customer Service about that - here is their contact information: Toll Free Number (Call or Text) 1-800-PetMeds® (1-800-738-6337) Email Address customerservice@1800petmeds.com

9
DateSep 9, 2020
CategoryHyperthyroidism
Pet Typenull
TopicHyperthyroidism and seizure connection?
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Question:

My 12 year old cat has been on Methimazole (1/2 pill 2 x day) for almost a year and has been doing great on it. Before being diagnosed she had what we thought was a seizure. None since being on the meds until today. is there any connection?

Answer:

Seizures are not a common clinical sign with hyperthyroidism, but it is certainly possible as the thyroid gland affects the entire body and since the medication to regulate her seems to help.

10
DateAug 25, 2020
CategoryHyperthyroidism
Pet Typenull
TopicKenalog
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Question:

Is kenalog safe to give cats with hyperthyroidism?

Answer:

It is not necessarily contraindicated, but I would really need to see your cat's blood work and know exactly what medications s/he is on to know whether it was ideal for your cat so consult your veterinarian for the best advice.

11
DateJun 27, 2020
CategoryHyperthyroidism
Pet Typenull
Topicgetting Methimazole tablets into my 16 year old cat
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Question:

My cat is a very picky eater. She only eats pate but is not consistent in what flavor or brand she will accept for that meal. She walks around howling for food 24 hours a day but only eats a few bites and walks away. I crush Methimazole tablets in food but 95% of time won't eat it.

Answer:

Here is a link to our (1) chewable (2) topical - transdermal and (3) liquid preparations of methimazole: https://www.1800petmeds.com/Methimazole+Compounded+-prod90110.html

12
DateJun 10, 2020
CategoryHyperthyroidism
Pet Typenull
TopicCan I feed My Cat This?
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Question:

My cat is a 9 year old feline, she has suddenly developed a various appetite but has not gained any weight, we took to her to the vet he ran a lot of tests and found nothing wrong. Could their be a reason why she l suddenly in creased her appetite. Thank You Valerie

Answer:

Hyperthyroidism is a possibility - this wouldn't show up on routine blood work (CBC/profile) so ask your veterinarian about this if he continues to eat so much and/or if he starts to lose weight.

13
DateMay 15, 2020
CategoryHyperthyroidism
Pet TypeCat
TopicMethimazole
vet-qa-signature
Question:

I currently give our cat 1/2 a pill twice a day of 5mg Methimazole. We will be away and I?m trying to figure out an easier way for someone else to give my cat her medicine. Is the compound a liquid I squirt in her mouth or put on her food? Is it better than the transdermal? Thank you

Answer:

You can get chewable, liquid or transdermal. I prefer the chewable or liquid - I just have better success regulating my patients but, of course, it needs to be swallowed. Here is a link that shows the different compounding options: https://www.1800petmeds.com/Methimazole+Compounded+-prod90110.html

14
DateMay 4, 2020
CategoryHyperthyroidism
Pet TypeCat
TopicCat with thyroid problems on meds
vet-qa-signature
Question:

What do you recommend as the BEST FOOD for her situation. New rescue, way underweight, shabby appearance

Answer:

Getting her hyperthyroidism under control is more important that the kind of food she eats - really just any high quality food for senior cats. There is so much competition in pet food nowadays, our pets eat much healthier than we do, for sure, so there are many options. The big 4 food companies police each other so carefully, I lean toward their food because I know it has been heavily scrutinized: Royal Canin, Science Diet, Purina, and Blue Buffalo.

15
DateFeb 12, 2020
CategoryHyperthyroidism
Pet TypeCat
TopicGoing on vacation....giving meds
vet-qa-signature
Question:

My cat is taking a pill daily for hyperthyroidism. We are planning a vacation and will not be able to take our cat with us. Is it ok to skip the pill for 10 days? She has been on the med for about 1.5 months and we do not have anyone that can give it to her daily or afford to board her. This may be a determining factor if we can go on vacation. Also, she has responded well to the pill and is gaining weight and acting normal. Not sick or acting strange.

Answer:

Your veterinarian is definitely the best one to ask because s/he has access to her blood work (and her) so knows the severity of your case better. Missing 10 days is not ideal though, in general.

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