Felimazole (methimazole) Rx
Starting At
$19.77
Felimazole (methimazole) Rx
$19.77
Or save an extra 5% on your first order (up to $20) with Autoship*
$18.79
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Guaranteed lowest authorized price. Learn more.
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Guaranteed lowest authorized price. Learn more.
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Usually ships the same weekday before 3pm CT with veterinary approval.
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Requires veterinary authorization.
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Your pet's veterinarian will provide directions for use.
What are Felimazole Tablets for Cats?
- Felimazole is a prescription medication used to treat overactive thyroid glands in cats. While Felimazole can’t stop the condition, it will help your cat feel better and improve her quality of life.
- The active ingredient in each small, coated Felimazile table is methimazole, which reduces the amount of the thyroid hormone your cat’s thyroid gland produces.
Why do cats use Felimazole?
- Cats may be prescribed Felimazole to treat overactive thyroid.
- Hyperthyroidism, or overactive thyroid, in cats causes weight loss, increased appetite, excessive thirst, hair loss, and more.
- While there is no permanent treatment for cats with hyperthyroidism, your veterinarian can help your cat feel better by regulating the thyroid with prescription Felimazole.
What else should I know about Felimazole?
- Manages symptoms of hyperthyroidism in cats.
- Small, coated tablets for easy dosing.
- Methimazole has a bitter taste and can be hazardous to humans. Coated tablets cover the taste and reduce contact with Methimazole.
- Looking for Methimazole Generic Tablets, Methimazole Transdermal Gel, or Methimazole Liquid Suspensions?
What problems could my or cat have with Felimazole?
- Common side effects include vomiting, decreased appetite, and lethargy.
- Most side effects occur in the first 3 months of giving Methimazole and may be lessened by gradually increasing the dose. Always follow your veterinarian's directions.
How do you use Felimazole?
- Wear gloves when handling Methimazole.
- Pregnant women, women who may become pregnant, nursing mothers, and people with low thyroid levels should not handle Methimazole.
What is in Felimazole?
- The drug in Felimazole is Methimazole.
- Methimazole is an antithyroid agent that reduces the level of thyroid hormones in the body.
Will I get what I see in the picture?
- Felimazole is a brand name. You will receive the exact brand that you request.
Is it important for my cat to finish all of the Felimazole?
- Cats may use Felimazole for different lengths of time. Please consult your veterinarian if you have any questions.
Felimazole Coated Tablet Pictures:
Felimazole 2.5mg Tablet Picture Felimazole 5mg Tablet Picture
Review Summary
201 total reviews
Rated 4.93 out of 5 stars
98% of respondents would recommend this to a friend
Ratings Distribution
189 5 star reviews
11 4 star reviews
0 3 star reviews
0 2 star reviews
1 1 star reviews
Most Liked Positive Review
Medication
My cat, Critter, is doing well on the 2.5mg Felimazole for her hyperthyrodism. I am happy with VetRxdirect and have been impressed with the staff there.
Most Liked Negative Review
Stupid shaped pill
In 2 weeks we have worn through a pill cutter because of the super thick hard coating on the pills. They are also round not flat so portioning them is a nightmare.
If your pet needs a partial dose do not order these, get the generic and save yourself the headaches. These pills are really poorly designed, wish I could exchange them
Reviews
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Best prices
From Atlanta, GA, USAComments about Felimazole (methimazole)Convenient, Meds shipped direct to home. Fast shipping. -
half the price!
From UndisclosedComments about Felimazole (methimazole)Hal has overactive thyroid and takes two different doses of this med daily. It was running me $90 every 2.5 months. The order arrived quickly and there was no hassle . -
Medication
From Richardson, TX, USAComments about Felimazole (methimazole)My cat, Critter, is doing well on the 2.5mg Felimazole for her hyperthyrodism. I am happy with VetRxdirect and have been impressed with the staff there.-
![Medication]()
Photo 1
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No bad taste
From Boston, MAComments about Felimazole (methimazole)These are coated pills that don't cause the cat to freak even when I don't quite get the pill down her throat. Wonderful switch from regular methomazole. -
Like the product, my cat has been on it for several years...
From CincinnatiComments about Felimazole (methimazole)Like the product, my cat has been on it for several years without any complications whatsoever. -
Great service
From Florida, USAComments about Felimazole (methimazole)They got a RX refilled from my Vet and was shipped quickly -
Felimazole effective medicati & easy to administer
From Perry Hall, MDComments about Felimazole (methimazole)Our 12 yr old cat Loki was diagnosed with hyperthyroidism about a year ago. He is a very large cat (19 lbs) and started dropping weight rapidly, was hyper, and hungry all the time. This medicine was originally prescribed 2.5 daily based on his liver/thyroid/blood tests. After a trial period his blood was re-drawn and his vet said to increase it to giving it twice per day every other day. Basically, he gets it each evening when he eats and 3-4 days a week, he also gets it in the morning. After our vet adjusted the levels properly, his blood tests were back to normal. He will be on this the rest of his life most likely. This is the cheapest, easiest, and most reliable website I have found that sells it. The only thing I've had to battle with is when you order it, VetRxDirect faxes a Rx request to your vet...and I have to keep calling my vet to remind them to sign the form and fax it back because they get so busy. I've had no issues with VetRxDirect and I'm happy with their service. The pill itself is very small and easy to administer for us. Our cat loves "Squeeze Cheeze" in a can. I simply put the pill between two fingers, lightly cover it in Squeeze Cheese and he licks the cheese and gulps it down no problem. Every now and then the pill slips out of his mouth but re-try and it usually works the second try. I know if I were to put it in his food bowl, he would probably just eat around it. So far he is doing great on this medicine and I feel that the treatment is relatively cheap and less risky considering the alternatives (radiation, surgery, etc.) -
Wonderful way to order my cat's meds
From Gilbert AZComments about Felimazole (methimazole)I was very pleased with the service, they even include a little bag of treats with a note. However, I did order some Greenies Pill Pockets that were dried out, but it was the summer and maybe they got hot in shipping. I will definitely continue to order from this company -
Convenient and Economical
From UndisclosedComments about Felimazole (methimazole)I love the convenience of ordering my pet medicine through vetrxdirect.com - it's also more economical than purchasing it directly from my vet. -
Felimazole tablets
From Grayslake, IllinoisComments about Felimazole (methimazole)This worked wonders for Missy. The pills are small enough for her to take by themselves, or those days when I had to hide it in a treat or food. Vetrxdirect.com has the best prices on this medication and will purchase from them again.
Displaying Reviews 191 - 200
Q & A
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are you going to still carry the 2.5 mg,coated tabs in felimazole??
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Do you ship to addresses in Canada?
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Due to pharmacy law, we are unable to ship outside of the United States.
Verified Answer
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Can I dissolve neo mercazole in warm water to give to my cat in her food??
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The manufacturer of Felimazole states the following: Wash hands with soap and water after administration to avoid exposure to drug. Do not break or crush tablets. Wear protective gloves to prevent direct contact with litter, feces, urine, or vomit of treated cats, and broken or moistened tablets. Wash hands after contact with the litter of treated cats. Speak with your veterinarian regarding treatment options if you are having trouble administering intact Felimazole tablets to your cat.
Verified Answer
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Is this a time release medication -- I've been crushing it and adding to Spookie's food and she's doing better but need to know if it's time release.?
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According to the manufacturer's package insert, Methimazole coated tablets are not extended-release tablets.
Verified Answer
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We accidentally gave our cat 2 doses tonight. What should we do? Do we need to take her in to the emergency vet or will she be okay? We give her .25 dose usually.?
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If your veterinarian or an emergency veterinarian in your area is not available, you may be able to reach the ASPCA Animal Poison Control Center at 888-426-4435. Please note that a consultation fee may apply.
Community Answer
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Does the coating on Felimazole cover up the very bitter taste and probably offensive smell? What function does a coating accomplish??
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Felimazole has a sugar coated formulation to improve palliability of methimazole. It does help cover up the bitter taste if swallowed immediately, and the tablets do not possess an offensive smell. The manufacturer states that the tablet should not be crushed or broken. Pregnant women, women who may become pregnant, and nursing mothers should wear gloves when handling tablets, litter or bodily fluids of cats treated with Felimazole.
Verified Answer
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I have heard that this medication could be harmful to humans. Can you please elaborate on this? What precautions should be taken by humans when giving this medication to their cats??
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The manufacturer or Felimazole states that pregnant/breastfeeding women should not come into contact with the medication. The manufacturer also states to wash hands with soap and water after administration to avoid exposure to drug. Do not break or crush tablets. Wear protective gloves to prevent direct contact with litter, feces, urine, or vomit of treated cats, and broken or moistened tablets. Wash hands after contact with the litter of treated cats. Methimazole, the active ingredient in Felimazole, is used in humans to reduce thyroid levels. Unnecessary, prolonged exposure to methimazole can cause adverse events in humans.
Verified Answer
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My cat needs to take 1.25 mg of methimazole twice a day. Can you formulate a 1.25mg tablet? Thank you?
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VetRxDirect does not offer a compounded methimazole 1.25mg tablet. A compounded methimazole suspension is available which could be measured to a 1.25mg dose.Please consult with your veterinarian regarding dosing options for your cat.
Verified Answer
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My cat takes 2.5 twice a day. While I am away for two weeks, can it be given both once a day??
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I would not. My cat watchers have always been able to give morning and evening pills.
Community Answer
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What are the side effects of this medication for the cat??
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Some common adverse effects include vomiting, anorexia, and depression/lethargy. Most adverse effects seen in cats using methimazole occur within the first 3 months of therapy and are short lasting, and usually resolve on their own. Please contact your veterinarian with additional questions or concerns regarding these adverse effects.
Verified Answer
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Displaying Questions 1 - 10