ExoticRx · exoticrx.com/drugs/natamycin
US brand names:Natacyn
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 references:All Dog (Domestic) drugs
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A dog/cat sample is shown here. Cited dosing for all 1 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) | Ophthalmic | 5% suspension | 1 drop q2h initially, then q4-6h | Moderate | Plumb's Veterinary Drug Handbook, 9th Ed |
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