Felimazole 2.5mg Coated Tablets for Cats – 100 Tablets

Active Ingredient: Thiamazole (Methimazole) 2.5mg per tablet

Pack Size: 100 film-coated tablets

Brand: Felimazole

Manufacturer: Dechra Veterinary Products

Product Description:

Felimazole 2.5mg Tablets are formulated for the management of feline hyperthyroidism, a common thyroid disorder in older cats. Each tablet contains 2.5mg of thiamazole, an antithyroid medication that safely reduces excess thyroid hormone production. The film-coated design improves palatability and handling. Felimazole is widely prescribed as a long-term treatment to normalise thyroid hormone levels and improve clinical symptoms such as weight loss, hyperactivity, vomiting, and increased appetite.

Key Features:

• Each tablet contains 2.5mg of thiamazole (methimazole)
• Used to manage hyperthyroidism in cats
• Film-coated tablets for easier handling and dosing
• Improves energy levels, weight maintenance, and appetite control
• Can be combined with other strengths (e.g., 1.25mg) for dose adjustment
• Regular thyroid monitoring required
• Suitable for long-term management
• Prescription-only veterinary medication

Directions for Use:

Felimazole should only be used under veterinary supervision. A typical dose is 2.5mg twice daily, depending on your cat’s weight and thyroid hormone levels. Tablets must be given whole (not crushed or broken). Your vet will advise on blood monitoring and dose adjustments.

Precautions:

• Do not use in pregnant or lactating cats
• Not suitable for cats with liver disease, autoimmune disorders, or certain blood conditions
• Routine blood tests are required to monitor thyroid function and organ health
• Handle tablets with care – wash hands after use and avoid contact with broken skin

FAQs about Felimazole 2.5mg Tablets

1. What is Felimazole 2.5mg used for?
   It’s used to treat hyperthyroidism in cats by reducing the production of thyroid hormones.
2. What is the active ingredient?
   Thiamazole (also known as methimazole), at a strength of 2.5mg per tablet.
3. How is it given?
   Orally, once or twice daily as prescribed by your vet. Tablets must be swallowed whole.
4. Can I crush or split Felimazole tablets?
   No. Tablets must be administered whole to avoid exposure and preserve the coating.
5. Is 2.5mg the correct dose for all cats?
   Dosage depends on the cat’s condition and may start at 1.25mg or 2.5mg and be adjusted over time.
6. How soon will I see improvements?
   Most cats show improvements in 1–3 weeks, but blood test results will confirm thyroid regulation.
7. Can Felimazole cure hyperthyroidism?
   No. It is a lifelong treatment to manage the disease but does not cure it.
8. How often are blood tests required?
   Initially every 2–3 weeks, then every 3–6 months once stable.
9. What are possible side effects?
   Side effects can include vomiting, lethargy, loss of appetite, or blood abnormalities. Notify your vet if symptoms occur.
10. Can Felimazole be used with kidney disease?
    Yes, but with caution. Hyperthyroidism can mask kidney disease, so close monitoring is essential.
11. What happens if I miss a dose?
    Give the missed dose as soon as possible unless close to the next scheduled dose. Never double up.
12. Is this medication safe for long-term use?
    Yes. Many cats take Felimazole safely for years under veterinary supervision.
13. How should Felimazole be stored?
    Store below 25°C in the original packaging. Keep out of reach of pets and children.
14. What precautions should humans take?
    Always wash hands after handling. Pregnant women should avoid contact with the tablets.
15. Can Felimazole be used before thyroid surgery or radioactive iodine?
    Yes. It’s often prescribed as a stabilisation measure before permanent treatments.
16. Does it need to be given with food?
    It can be given with or without food, but consistency is important. Follow your vet’s instructions.
17. Can Felimazole be combined with other medications?
    Yes, but always inform your vet of any other medications or supplements being used.
18. Is it safe for senior cats?
    Yes, Felimazole is commonly used in older cats. Kidney and liver monitoring is important.
19. What should I do if my cat vomits the tablet?
    Contact your vet. Do not give another dose unless advised.
20. Where can I buy Felimazole 2.5mg Tablets (100s)?
    You can order this product from Discount Pet Meds with a valid veterinary prescription.

Buy Felimazole 2.5mg Tablets (100s) from: Discount Pet Meds – Australia's leading source for feline prescription medications.

***Prescription Required***

Prescription medicine: This is a prescription medicine. Please ensure that you have read the "How to Order" page before ordering this item. Australian legislation prohibits the advertisement of prescription drugs to consumers, therefore we are unable to display any images of the packaging or provide you with more information regarding this prescription medicine.

Our prescription medicines: All prescription medicines on the Discount Pet Med site are purchased through Veterinary Wholesalers the same as those used by your Vet. All of our products are APVMA approved and identical to those used by your Veterinary Surgeon.

Product images: Australian legislation prohibits the advertisement of prescription drugs to consumers, therefore we are unable to display any images of the packaging or provide you with more information regarding this prescription medicine.

Please call or email us if you have any queries about any of the products on our site.

How much does shipping cost?

Your delivery cost starts from $6.95. This depends on the weight of your order, delivery address and delivery method (express vs standard). The shipping cost calculator will display the total cost for delivery at the checkout. We use live quote system powered by Australia Post; this guarantees you pay the lowest shipping fee. 

How do I qualify for Free Delivery?

Discount Pet Meds offers Free Standard Shipping on orders over $149 Australia wide for parcels up to 500g. Orders over $149 and over 500g will receive a discount of $6.95 on total shipping cost which will is automatically applied during checkout.

Which shipping should I select?

Discount Pet Meds uses Australia Post as their courier partner, with two shipping options to select from at checkout:

  Express Post        the fastest choice 

  Standard Post     the most economical  (normally 2 days behind express post)

Please note: Australia Post has a weight limit of 22kg per parcel. If your order weighs over 22Kgs we recommend placing multiple orders or contact us to arrange for a courier

How long will it take to process my order?

Discount Pet Meds guarantee same day dispatch if your order is in-stock and has been placed before 11am weekday. In- stock items ordered after 11am, will be dispatched next business day. 

Compounding Meds: Please allow extra 2 business days (eye drops: 5 business days)

How long will it take to receive my parcel?

In addition to processing and dispatch time at the warehouse (24-48 hrs), Delivery time will depend on where you are, in relation to our warehouse as we are based in Carlingford, Sydney, NSW.

The following are estimated delivery times once your order has been fulfilled and left our warehouse. These are only estimates and are dependent on mail services in your area. 

     Standard Post     

Local/Sydney area: 1-2 business days

New South Wales: 2-3 business days

Brisbane: 2-3 business days

Melbourne: 2-3 business days

Adelaide: 3-5 business days

Perth: 3-5 business days

Queensland: 3-7 business days

Victoria: 3-7 business days

South Australia: 5-10 business days

Tasmania: 5-10 business days

Western Australia: 5-10 business days

Northern Territory: 5-10 business days

     Express Post     

Sydney area: next day delivery

Other Metro areas and Major cities: 1-3 business days

Rural areas: please allow up to 5 business days.

Do I need to stay home to receive my parcel?

All parcels will be delivered to the provided address and will require a signature on receipt, It is recommended to provide a work address for delivery if no one is home during business hours. If no one home, a card will be left detailing the nearest Australia Post outlet where the parcel can be collected during normal business hours.

Authority to Leave (ATL): Although we do not recommend leaving orders unattended when not home to accept delivery, you may request this service with any delivery. You may do this by placing a brief note, such as Please leave order if not home', in the order comments section found on our checkout page.

Australia Post (Safe Drop): Tracking notifications now provide you the possibility of Safe Drop where the order will be left in the Safe Drop location specified unless, in the judgement of the carrier, it is exposed to passers-by or the weather, in which the parcel will be carded for a Post Office collection

What if my order got delayed, lost, stolen or damaged?

Shipping insurance will allow you to be compensated in case of lost, damaged, or delayed delivery. If shipping insurance is not chosen, we will not be able to offer any further assistance if your order is lost or subsequently goes missing after it has been deemed delivered by the carrier. The associated risk in leaving parcels unattended is borne by the customer.

Refrigerated items: when you purchace a cold chain product, you accept the rare chance that goods will not be delivered in an ideal condition and that no compensation will be offered to replace spoilt goods, even if insurance cover is chosen.

How do you ship refrigerated items? 

Fridge items are sent out Monday, Tuesday and Wednesday only, by    Express Post   in foam eskies containing ice Blocks, to ensure items remain cold on delivery. Please refer to the below link to see if you are within the Australia Post Express Network:

Express Post delivery network

How do I track my order? 

With email and SMS tracking notifications, you will get peace of mind to track and choose delivery options. You will be given a tracking number and the date your parcel is expected to be delivered, as well as the chance to choose how and where you like to receive it.

What if I want to Pick up my order?

Pick up is available from our store. Please select “Pickup option" at the checkout. We will contact you once your order has been assembled and is ready for collection. 

Pick up address: 4/500 North Rocks Road Carlingford, Sydney NSW, 2118.

Can I refund medication after collection? 

We can dispose your unwanted medication, but we can’t refund it. Once a prescription item leaves our pharmacy, by law they cannot be resold. As such, refunds are not possible.