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Methimazole Transdermal Gel
Compounded methimazole transdermal gel is a prescription-only veterinary medication used to manage hyperthyroidism in cats. Applied to the inner ear (pinna), this transdermal formulation allows for systemic absorption without the need for oral administration—ideal for finicky or medication-averse feline patients. Methimazole reduces the production of thyroid hormones, helping stabilize metabolism and reduce symptoms like weight loss, hyperactivity, and increased appetite. Our pharmacy compounds methimazole gel in precise concentrations using veterinary-safe, well-absorbing transdermal bases to support long-term endocrine management.
Veterinarians choose the transdermal gel to keep hyperthyroid cats consistently treated when oral dosing is a struggle. We compound the gel to the exact strength your veterinarian specifies, made to order in our pharmacy in pre-measured or easy-to-dose form.
This is a compounded veterinary medication prepared to your prescription and used under a veterinarian's guidance. Your vet will set the dose, show you how to apply it to the ear, and monitor thyroid levels over time. Every batch is pharmacist-compounded, quality-verified, and shipped nationwide. Prescription required.
Frequently asked questions
What does methimazole treat in cats?
It controls hyperthyroidism by lowering excess thyroid hormone, easing weight loss, increased appetite, hyperactivity, and vomiting.
How is a transdermal gel applied?
A measured amount is rubbed onto the inner ear and absorbed through the skin — no pilling required. Your vet shows you how.
Why choose the gel?
It's ideal for cats that resist oral medication, keeping treatment consistent without the daily struggle.
Is monitoring required?
Yes — your vet sets the dose and monitors thyroid levels to keep treatment on target.
Do I need a prescription?
Yes. This medication is compounded to your veterinarian's order and requires a valid prescription. Our pharmacists prepare and verify every batch.
Patients? Request More Information Prescribers? Request Prescribing Access
Compounded methimazole transdermal gel is a prescription-only veterinary medication used to manage hyperthyroidism in cats. Applied to the inner ear (pinna), this transdermal formulation allows for systemic absorption without the need for oral administration—ideal for finicky or medication-averse feline patients. Methimazole reduces the production of thyroid hormones, helping stabilize metabolism and reduce symptoms like weight loss, hyperactivity, and increased appetite. Our pharmacy compounds methimazole gel in precise concentrations using veterinary-safe, well-absorbing transdermal bases to support long-term endocrine management.
Veterinarians choose the transdermal gel to keep hyperthyroid cats consistently treated when oral dosing is a struggle. We compound the gel to the exact strength your veterinarian specifies, made to order in our pharmacy in pre-measured or easy-to-dose form.
This is a compounded veterinary medication prepared to your prescription and used under a veterinarian's guidance. Your vet will set the dose, show you how to apply it to the ear, and monitor thyroid levels over time. Every batch is pharmacist-compounded, quality-verified, and shipped nationwide. Prescription required.
Frequently asked questions
What does methimazole treat in cats?
It controls hyperthyroidism by lowering excess thyroid hormone, easing weight loss, increased appetite, hyperactivity, and vomiting.
How is a transdermal gel applied?
A measured amount is rubbed onto the inner ear and absorbed through the skin — no pilling required. Your vet shows you how.
Why choose the gel?
It's ideal for cats that resist oral medication, keeping treatment consistent without the daily struggle.
Is monitoring required?
Yes — your vet sets the dose and monitors thyroid levels to keep treatment on target.
Do I need a prescription?
Yes. This medication is compounded to your veterinarian's order and requires a valid prescription. Our pharmacists prepare and verify every batch.
Patients? Request More Information Prescribers? Request Prescribing Access

