Dog · Canis lupus familiaris · typical adult weight 2.00–80.00 kg
Natamycin Ophthalmic is used in dog for Fungal keratitis. Routes documented in dog: Ophthalmic. A typical adult dog weighs 2.00–80.00 kg. ExoticRx lists 1 cited dose rule for Natamycin Ophthalmic in dog, drawn from published veterinary references. Verify against current literature before clinical use.
Trade names: Natacyn
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| Ophthalmic | 0 mg/kg | q2-4h initially, then q6h | 4-6 weeks | Fungal keratitis | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
Need the exact dose for your patient?
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.
Polyene antifungal binding ergosterol in fungal cell membranes. First-line for fungal keratitis, especially Fusarium and Aspergillus.
Shake well. Poor corneal penetration — effective mainly for superficial fungal keratitis. Equine fungal keratitis common indication. Expensive.
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? Natamycin Ophthalmic 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.