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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So helpful
From Maine, USAComments about Felimazole (methimazole)The customer service reps were so helpful and quick helping me get my cat's prescription verified. Fast service and a free packet of cat treats in the box! Fantastic service. Thank you. -
Great service and prices!
From New Hampshire, USAComments about Felimazole (methimazole)This medication is easier to give than the generic I got from my vet. It comes in the size my cat takes, so I don't have to cut pills. It is coated, so it doesn't dissolve if she doesn't get it down on the first try. Since it's round and doesn't stick, she takes it on the first try most of the time. The price was less than half of what my vet charged! Since my vet put the fax from VetRxDirect in their circular file, my order was going to arrive after my current supply was gone. I sent an email and got next-day shipping, so the kitty was back on schedule. Even then the price was less! -
Felimazole 2.5mg is a tiny pink pill easy to fit a
From New York, NY, USAComments about Felimazole (methimazole)My feline push cat has been giving this for 3-4 months -
Excellent Service
From Audubon, NJ, USAComments about Felimazole (methimazole)I placed my first order a few weeks ago at the suggestion of my vet. My cat will now need to have this medication for the rest of her life and my vet suggested I might be able to be able to purchase it more economically on the internet. I did so and was very pleased with the service and products received. Thank you and I look forward to placing additional orders in the future. -
Does the trick!
From NE PennsylvaniaComments about Felimazole (methimazole)My 14 year old cat has been on Felimazole for about 2 years, 1 tablet per day, and her bloodwork is consistently excellent. You'd never know she has thyroid disease. Thank you to VetRxDirect for making this affordable! Every day with my best buddy is precious. -
Great Service
From Canby, Oregon, USAComments about Felimazole (methimazole)This was less expensive than buying it through my vet. -
Required purchase
From Eugene, OR, USAComments about Felimazole (methimazole)Our cat has hyperthyroidism & needs his medication. The vet hospital medication cost was double that of VetRx. VetRx was VERY quick in calling the veterinarian & verifying the prescription. The medication did take a few days to arrive so make sure you order with at least a weeks worth of medication to use before arrival of ordered medication. Beyond that, this is our first experience with Felimazole. The side effects seem very limited at this time. We've only been using it for 2 months. Biggest difference is his vomiting & waste production. No more vomiting, and the diarrhea has become soft serve poop. His meowing has quieted considerably. His overall demeanor has greatly improved. He is currently back to gaining weight and generally seems HAPPIER!! Thank you VetRx!! -
I love my medicine
From Palatine, IL, USAComments about Felimazole (methimazole)My vet prescribed this medicine to treat my hyperthyroid. My owner turned to VetRXDirect to get my meds. I have never been on meds before. VetRXDirect people helped my owner and now I'm feeling much better! Sneakers -
Tummy Turn Around
From Vancouver, WAComments about Felimazole (methimazole)Gab was having terrible trouble with non-coated Methimazole. The coated version (not available from local vet) has helped improve her tummy struggles. -
Great medicine!
From Marysville, CA, USAComments about Felimazole (methimazole)Our vet prescribed this medicine for our senior aged cat with hyperthyroidism. It has made her a much happier cat now that her health problem is being treated.
Displaying Reviews 181 - 190
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