Terbinafine Oral for Dogs

Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg

Terbinafine Oral is dosed at 20–30 mg/kg PO q24h in dogs, per Greene CE. Infectious Diseases of the Dog and Cat, ed 3, Philadelphia, 2006, W.B. Saunders Co.. — Verified against Muller & Kirk's Small Animal Dermatology, 7th Ed, p.241 (2026-08-01). — LOCATOR CONVENTION 2026-08-07: the bare 'p.241' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.229; verified by finding the drug named there. If you are holding the book, turn to p.229. — SOURCE EDITION: Muller & Kirk's Small Animal Dermatology — ISBN 9781416000280, https://openlibrary.org/isbn/9781416000280. Terbinafine Oral is used in dogs for Dermatophytosis. Routes documented in dogs: PO. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Terbinafine Oral in dogs, drawn from published veterinary references. Verify against current literature before clinical use.

US trade names: Lamisil

Dose ranges

Route	Dose	Frequency	Duration	Indication	Evidence	Source
PO	20–30 mg/kg	q24h	4-6 weeks	Dermatophytosis

What each reference text prints

Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.

Printed doses in mg/kg for this drug and species, by source
Dose (mg/kg)	Route	Source	As printed
20–40	PO	BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.410	20-40 mg/kg p.o. q24h; doses greater than 30 mg/kg may be required to reach therapeutic levels in the
30	—	BSAVA Small Animal Formulary, 10th ed — Part A (Canine and Feline)p.410	20-40 mg/kg p.o. q24h; doses greater than 30 mg/kg may be required to reach therapeutic levels in the skin of dogs. Cream may be used
30–40	PO	Papich Saunders Handbook of Veterinary Drugs, 4th edp.793	• 30-40 mg/kg q24h PO (with food) for 2-3 weeks.

Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.

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Side effects & warnings

Hepatotoxicity — monitor liver enzymes. GI upset. Drug interactions (CYP2D6 inhibitor). Effective for dermatophytosis resistant to azoles. Excellent keratin concentration.

Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.

Frequently asked questions

What is the dose of Terbinafine Oral for Dogs?

Terbinafine Oral dose range in dogs, with cited source references: PO 20–30 mg/kg q24h. Reference ranges from cited sources — verify against current literature before clinical use.

How is Terbinafine Oral administered in Dogs?

Documented routes for Terbinafine Oral in dogs: PO.

How long is Terbinafine Oral given in Dogs?

Cited course lengths for Terbinafine Oral in dogs include: 4-6 weeks. Duration depends on the indication — match it to the specific dose rule in the table above.

What conditions does Terbinafine Oral treat in Dogs?

Terbinafine Oral is indicated in dogs for: Dermatophytosis.

What are the side effects of Terbinafine Oral in Dogs?

These are general warnings for Terbinafine Oral across species; consult the dog dosing table above for species-specific guidance. Hepatotoxicity — monitor liver enzymes. GI upset. Drug interactions (CYP2D6 inhibitor). Effective for dermatophytosis resistant to azoles. Excellent keratin concentration.

Why a species-specific page? Terbinafine Oral pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in dogs — the rules above are the citations specific to this species, not generic recommendations.