Methimazole
Brands: Tapazole, Felimazole
Methimazole treats hyperthyroidism in pets. Consult a vet for dosage.
Used for
- Hyperthyroidism
How it is given
- Administration
- oral
- Frequency
- twice daily
- Duration
- as prescribed by veterinarian
- Storage
- Store at room temperature, away from moisture and light.
- Pregnancy safety
- caution
Always confirm the exact dose with your veterinarian before giving any medicine.
Typical dose ranges
cat
- Standard
- 2.5 mg to 5 mg every 12 hours
dog
- Large dogs
- consult vet
- Small dogs
- consult vet
- Medium dogs
- consult vet
Ranges are reference only. Your vet sets the dose for your pet's weight and condition.
Active ingredients
- Methimazole
Side effects
Common
- vomiting
- loss of appetite
Rare
- skin rash
Severe
- liver dysfunction
Do not use when
- liver disease
- blood disorders
Interacts with
- beta-blockers
- theophylline
Warnings
- monitor thyroid levels
- watch for liver dysfunction
Methimazole questions
What is Methimazole used for?
Methimazole is primarily used to treat hyperthyroidism in cats.
Can Methimazole be used in dogs?
While less common, it can be used under specific veterinary guidance.
How should Methimazole be stored?
Store at room temperature, protected from moisture and light.
What are the common side effects?
Common side effects include vomiting and loss of appetite.
Is a prescription required?
Yes, Methimazole requires a veterinary prescription.
Full drug detail
Overview
Methimazole is an antithyroid medication primarily used to treat hyperthyroidism in pets, particularly cats. It works by inhibiting the synthesis of thyroid hormones.
How It Works
Methimazole reduces the production of thyroid hormones by interfering with the thyroid gland's ability to utilize iodine, which is essential in hormone synthesis.
Uses & Indications
Methimazole is primarily indicated for the treatment of hyperthyroidism in cats. It may be used in dogs under specific circumstances, but this is less common.
Dosage Guidelines
Cats
- Standard Dosage: 2.5 mg to 5 mg per cat, administered orally every 12 hours.
Dogs
- Small Dogs: Consult a veterinarian for appropriate dosing.
- Medium Dogs: Consult a veterinarian for appropriate dosing.
- Large Dogs: Consult a veterinarian for appropriate dosing.
Administration
Methimazole is administered orally and is available in tablet form. Ensure the correct dosage is given as prescribed by a veterinarian.
Side Effects
Common
- Vomiting
- Loss of appetite
Rare
- Skin rash
Severe
- Liver dysfunction (requires immediate veterinary attention)
Precautions & Warnings
- Regular monitoring of thyroid levels is essential.
- Monitor for signs of liver dysfunction or blood abnormalities.
Drug Interactions
- Beta-blockers: May have increased effects.
- Theophylline: May have altered metabolism.
Storage
Store at room temperature, away from moisture and light.
FAQ
What is Methimazole used for?
Methimazole is primarily used to treat hyperthyroidism in cats.
Can Methimazole be used in dogs?
While less common, it can be used under specific veterinary guidance.
How should Methimazole be stored?
Store at room temperature, protected from moisture and light.
What are the common side effects?
Common side effects include vomiting and loss of appetite.
Is a prescription required?
Yes, Methimazole requires a veterinary prescription.
Interactions
- Can interact with beta-blockers and theophylline.
Pregnancy Safety
- Use with caution in pregnant animals.
Meta Information
- Meta Title: "Methimazole for Pets: Uses, Dosage & Side Effects"
- Meta Description: "Learn about Methimazole for treating hyperthyroidism in pets. Consult your vet for the right dosage."
Contraindications
- Animals with liver disease
- Animals with blood disorders
Warnings
- Regular monitoring of thyroid function is crucial.
- Be alert for signs of liver dysfunction.
Is Prescription Required
True
Is Controlled
False