Felimazole (methimazole) Rx
Starting At
$19.77
Felimazole (methimazole) Rx
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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
200 total reviews
Rated 4.93 out of 5 stars
98% of respondents would recommend this to a friend
Ratings Distribution
188 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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Felimazole is saving my cat
From UndisclosedComments about Felimazole (methimazole) 2.5mg, 100 Coated TabletsA cat wondered onto our porch on an extremely hot day in Arizona. He was in pretty bad shape, but we took him to the vet. We have nursed him back to health! He does require a few medication and Felimazole is one of them and is very important for his continued health. VetRxDirect made ordering and delivering easy and it's much appreciated.-
![Felimazole is saving my cat]()
Stanley, the wonder cat
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No side effects
From UndisclosedComments about Felimazole (methimazole) 5mg, 100 Coated TabletsThese pills are very easy to cut in half. 2.5 mgs are almost impossible to come by. My cat tolerates the meds and is responding beautifully.-
![No side effects]()
Computer v Supervisor
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AIDS our Boy with his Hyperthyroidism
From UndisclosedComments about Felimazole (methimazole) 2.5mg, 100 Coated TabletsHave been using this product for approximately 3 years now for Hypothyroidism and seems to work well at controlling his condition. Now that he is older we have to melt his pill in warm water and mix into ball with his Churu sticks and that does the trick.-
![AIDS our Boy with his Hyperthyroidism]()
Calipurr's good InTENTions (wink)
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This medication helps me feel my best!
From UndisclosedComments about Felimazole (methimazole) 2.5mg, 100 Coated TabletsThis regulates my thyroid so that I continue to feel good and energetic! My mom wraps the pill in a pill pocket and tucks it into my wet food. Everyday I look forward to my chewy treat! -
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Best for cat Hyperthyroidism!
From UndisclosedComments about Felimazole (methimazole) 2.5mg, 100 Coated TabletsMuch more affordable and I don't have to cut pills in half anymore! -
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Great Company!
From Reno NevadaComments about Felimazole (methimazole)I tried to get my kitty's medicine through another company for 5 weeks and they kept canceling my order with no explanation. Five days, beginning to end, and VetRxDirect had the meds to me! Thank you! -
Easy treatment for my cat
From UndisclosedComments about Felimazole (methimazole) 2.5mg, 100 Coated TabletsI use a pill pocket to give this to her. Seems to work just fine.-
![Easy treatment for my cat]()
Katniss
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Game changer!!
From UndisclosedComments about Felimazole (methimazole) 2.5mg, 100 Coated TabletsThese pills have been a game changer for our cat! We tried cutting the 5mg pills in half, and it was torture trying to get him to eat them. These sugar-coated 2.5mg pills are SOOOOO much better!! #sweepstakes-
![Game changer!!]()
GingerSnap
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Medicine
From UndisclosedComments about Felimazole (methimazole) 5mg, 100 Coated TabletsBobbie is doing great on this medicine.-
![Medicine]()
Bobbie
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Easy to use
From UndisclosedComments about Felimazole (methimazole) 2.5mg, 100 Coated TabletsFelimazole is so easy for my cat to swallow!! Very happy that you had this medicine in stock-
![Easy to use]()
Girly
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Displaying Reviews 1 - 10
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