ExoticRx · exoticrx.com/drugs/terbinafine-topical
US brand names:Lamisil Topical
Inhibits squalene epoxidase, blocking ergosterol biosynthesis in fungal cell membranes. Fungicidal against dermatophytes at therapeutic concentrations.
For localized dermatophytosis. Systemic therapy preferred for widespread infections. May cause local irritation. Low systemic absorption from intact skin.
Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugs
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
A dog/cat sample is shown here. Cited dosing for all 2 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | Topical | For small, localized lesions only | Apply to affected area q12h-q24h | Moderate | Gupta AK, et al: Antifungal agents: An overview: Part I. J Am Acad Dermatol 30:677, 1994. doi:10.1016/s0190-9622(08)81495-8 — Verified against Muller & Kirk's Small Animal Dermatology, 7th Ed, p.238 (2026-08-01). |
| Cat (Domestic) | Topical | Adjunct to systemic therapy | Apply to affected area q12h-q24h | Moderate | Gupta AK, et al: Antifungal agents: An overview: Part I. J Am Acad Dermatol 30:677, 1994. doi:10.1016/s0190-9622(08)81495-8 — Verified against Muller & Kirk's Small Animal Dermatology, 7th Ed, p.238 (2026-08-01). |
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