Felimazole®: The Definitive Treatment for Feline Hyperthyroidism
Felimazole® is a leading medicine in the treatment and stabilization of feline hyperthyroidism, designed to improve the quality of life of affected cats. With thiamazole as the active ingredient, Felimazole® has become the most trusted solution to address this complex condition, offering proven efficacy and ease of administration.
What is Felimazole®?
Felimazole® is a coated tablet designed for the stabilization and long-term treatment of feline hyperthyroidismThis disorder is common in older cats and can cause a variety of health problems, including vomiting, weight loss, hyperactivity, and increased appetite.
Key Benefits of Felimazole®
- Effective Treatment:
- Blocks the biosynthesis of thyroid hormones T3 and T4, regulating the cat's metabolism.
- Significantly improves the quality of life in cats with hyperthyroidism, both in pre-surgical and long-term treatments.
- Easy Administration:
- Tablets designed for convenient oral intake.
- Available in concentrations of 1,25 mg, 2,5 mg y 5 mg, suitable for personalized doses according to the needs of each cat.
- Proven Security:
- High bioavailability and efficacy, with rapid absorption in the body.
- Compatible with prolonged treatments under veterinary supervision.
Indications of use
Felimazole® is indicated for:
- Stabilization of hyperthyroidism before surgical thyroidectomy.
- Long-term treatment of feline hyperthyroidism, providing a sustainable solution to control this chronic disease.
How does Felimazole® work?
El thiamazole, the active ingredient of Felimazole®, acts by inhibiting the binding of iodine to thyroid peroxidase, preventing the synthesis of thyroid hormones T3 and T4. This mechanism controls the symptoms of hyperthyroidism by regulating excessive hormone production.
Pharmacological Properties:
- Rapid absorption: Bioavailability greater than 75%, reaching maximum blood levels within 1-2 hours.
- Effective excretion: Eliminated mainly through urine, ensuring a prolonged and effective action.
Dosage and Administration
Recommended dose:
- Starting dose: 5 mg daily, divided into two doses (morning and afternoon).
- Dose Adjustments:
- Based on total T4 levels and clinical response, adjust dosage in 2,5 mg increments.
- Goal: Use the lowest dose possible to control symptoms.
- Maximum limit: Do not exceed 20 mg daily.
Recommended Monitoring:
- Evaluate hematology, biochemistry, and total T4 before starting treatment.
- Regular check-ups: At 3, 6, 10 and 20 weeks, and every 3 months thereafter.
Contraindications
Felimazole® should not be administered in:
- Cats with severe systemic diseases such as liver disease o d.
- Cats with autoimmune diseases, hematological disorders or coagulopathies.
- Pregnant or lactating cats due to teratogenic and embryotoxic risks.
Precautions and Warnings
Precautions in Animals:
- Closely monitor cats with pre-existing renal disease as treatment may affect glomerular filtration rate.
- Regularly monitor hematology due to the risk of leukopenia o hemolytic anemia.
- Ensure constant access to drinking water to prevent hemoconcentration.
Precautions for the Administrator:
- use of gloves: Especially recommended for pregnant women, since thiamazole can be a teratogen.
- Hygiene: Wash hands after administering the medication or handling the treated cat's bedding.
- Avoid crushing or breaking up tablets to minimize the risk of exposure.
Adverse reactions
Although rare, some adverse reactions include:
- Gastrointestinal: Vomiting, anorexia and diarrhea.
- Dermatological: Severe itching or excoriations.
- Hematological: Neutropenia, lymphopenia or hemolytic anemia.
- Hepatic: Jaundice associated with liver disease.
In severe cases, discontinue treatment and consider alternatives under veterinary supervision.
Frequently Asked Questions About Felimazole®
1. How long does treatment with Felimazole® last?
Treatment for hyperthyroidism is usually lifelong. With proper monitoring, your cat can enjoy a full and healthy life.
2. Can Felimazole® be administered together with other medications?
Simultaneous administration with should be avoided phenobarbital and certain anthelmintics. Consult your veterinarian before combining treatments.
3. When should I notice an improvement in symptoms?
T4 levels usually stabilize within the first few weeks, but full clinical effects may take longer.
Conservation and Presentation
Conservation Mode:
- Store at temperatures below 25°C.
- Keep the container tightly closed and protected from moisture.
Presentations Available:
- 1,25 mg, 2,5 mg and 5 mg in packaging designed to suit the specific needs of each cat.
Buy Felimazole®: The Ultimate Solution for Feline Hyperthyroidism
Felimazole® is the treatment recommended by veterinarians worldwide. Buy Felimazole® online and guarantee your cat's well-being with an effective, safe treatment backed by clinical studies. Give your pet back the energy and quality of life it deserves!

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57 valuations Felimazole 2,5 mg 100 tablets | for the long-term treatment of feline hyperthyroidism.
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