Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Natamycin is used in dogs for Fungal keratitis (Fusarium). Routes documented in dogs: Ophthalmic. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Natamycin in dogs, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Natacyn
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| Ophthalmic | See the cited source for the printed regimen | 1 drop q2h initially, then q4-6h | 4-6 weeks | Fungal keratitis (Fusarium) | Moderate | Plumb's Veterinary Drug Handbook, 10th ed (2023, held copy; the original seed cited the 9th, which was never consulted) — Plumb's 10th ed (held) printed p.1386, Natamycin Ophthalmic monograph; page located 2026-08-05 from the book's own running heads, verified to name the drug in its body text. — SOURCE EDITION: Plumb's Veterinary Drug Handbook — ISBN 9781394172207, https://openlibrary.org/isbn/9781394172207 |
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Binds to ergosterol in fungal cell membranes increasing permeability. Does not penetrate intact corneal epithelium well.
First-line for fungal keratitis, especially Fusarium. Shake well before use. Limited intraocular penetration. May cause irritation.
Species-specific contraindications and adverse-reaction reports for dogs may differ from canine / feline reference data — consult the primary citations listed with each rule.
Natamycin dose range in dogs, with cited source references: Ophthalmic See the cited source for the printed regimen 1 drop q2h initially, then q4-6h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Natamycin in dogs: Ophthalmic.
Cited course lengths for Natamycin in dogs include: 4-6 weeks. Duration depends on the indication — match it to the specific dose rule in the table above.
Natamycin is indicated in dogs for: Fungal keratitis (Fusarium).
These are general warnings for Natamycin across species; consult the dog dosing table above for species-specific guidance. First-line for fungal keratitis, especially Fusarium. Shake well before use. Limited intraocular penetration. May cause irritation.
Why a species-specific page? Natamycin 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.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.