Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Terbinafine is used in dog for Dermatophytosis, Malassezia dermatitis (refractory), Localized dermatophytosis. Routes documented in dog: PO, TOPICAL. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 3 cited dose rules for Terbinafine in dog, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Lamisil
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 20–30 mg/kg | q24h | 21-28 days | Dermatophytosis | Strong | Plumb's Veterinary Drug Handbook, 9th Ed |
| PO | 30 mg/kg | q24h | 21-28 days | Malassezia dermatitis (refractory) | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
| TOPICAL | 0 topical | q12-24h | 21-28 days | Localized dermatophytosis | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
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These ranges are per kg. Enter your dog's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Inhibits squalene epoxidase, blocking ergosterol synthesis at an earlier step than azoles. Fungicidal.
Generally well-tolerated. May cause GI upset, hepatotoxicity (rare). Monitor liver enzymes during prolonged use.
Species-specific contraindications and adverse-reaction reports for dog may differ from canine / feline reference data — consult the primary citations listed with each rule.
Why a species-specific page? Terbinafine pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dog — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.