ExoticRx · exoticrx.com/drugs/olopatadine-ophthalmic
US brand names:Patanol, Pataday
Combined H1 antihistamine and mast cell stabilizer. Blocks histamine receptor and prevents degranulation of conjunctival mast cells.
Generally well tolerated. Mild stinging on application. Used for allergic conjunctivitis. Limited veterinary data but extrapolated from human use.
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 (ophthalmic) | Dual mechanism: antihistamine and mast cell stabilizer | q12h | Extrapolated | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1419 (2026-08-01). |
| Cat (Domestic) | TOPICAL (ophthalmic) | Extrapolated from human/canine use | q12h | Extrapolated | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1419 (2026-08-01). |
Upgrade to Pro or Student to unlock the full dose ranges and frequency for every species. The drug's mechanism, warnings, indications, and cited sources are free to read.
View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.