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Methimazole Transdermal

Methimazole PLO gel

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Sourced from primary literature. Awaiting credentialed clinical reviewer — our editorial process.

Drug Class

Endocrine

Routes

Transdermal

Indications

Hyperthyroidism

Mechanism of Action

Same as oral methimazole. Transdermal delivery through pinna skin avoids GI side effects. Inhibits thyroid peroxidase.

Side effects & warnings

Applied to inner pinna of cat ears. Alternating ears. Handler wears gloves. Less GI upset than oral. Erratic absorption reported. Monitor T4.

Species with Methimazole Transdermal dosing data (1 dose rule)

Cat (Domestic)

Evidence levels across 1 dose rule

Strong×1

Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.

Backed by a published primary source

  • · Plumb's Veterinary Drug Handbook, 9th Ed

Sample dosing (1 of 1 cited rule)

Free-tier preview — dog and cat dosing. Pro and Student unlock all 1 species including reptiles, birds, pocket pets, livestock, and equine.

SpeciesRouteDoseFrequencyEvidenceSource
Cat (Domestic)Transdermal2.5–5 mg per catq12hStrongPlumb's Veterinary Drug Handbook, 9th Ed

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Calculate Dosage for Methimazole Transdermal