Cat · Felis catus · typical adult weight 2.50–7.00 kg
Dorzolamide is dosed at 1 drop/eye TOPICAL q8-12h in cats, per (Plumb's Dorzolamide Ophthalmic, cited for the feline adverse-effect warning) - renal tubular acidosis and hypokalemia reported in a cat due to topical carbonic anhydrase inhibitor administration — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1389 (2026-08-01).. Dorzolamide is used in cats for Glaucoma. Routes documented in cats: TOPICAL. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Dorzolamide in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Trusopt, Cosopt
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| TOPICAL | 1 drop/eye | q8-12h | Long-term | Glaucoma | Weak | (Plumb's Dorzolamide Ophthalmic, cited for the feline adverse-effect warning) - renal tubular acidosis and hypokalemia reported in a cat due to topical carbonic anhydrase inhibitor administration — Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.1389 (2026-08-01). |
Need the exact dose for your patient?
Enter your cat's weight to check these cited ranges in the calculator — unit and concentration math done for you.
Inhibits carbonic anhydrase II in the ciliary body, reducing aqueous humor production and lowering intraocular pressure.
Stinging on application. May be used alone or with timolol (Cosopt). Primary treatment for glaucoma in dogs. Less effective in cats and horses. Apply q8-12h.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Dorzolamide dose range in cats, with cited source references: TOPICAL 1 drop/eye q8-12h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Dorzolamide in cats: TOPICAL.
Cited course lengths for Dorzolamide in cats include: Long-term. Duration depends on the indication — match it to the specific dose rule in the table above.
Dorzolamide is indicated in cats for: Glaucoma.
These are general warnings for Dorzolamide across species; consult the cat dosing table above for species-specific guidance. Stinging on application. May be used alone or with timolol (Cosopt). Primary treatment for glaucoma in dogs. Less effective in cats and horses. Apply q8-12h.
Why a species-specific page? Dorzolamide pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — 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.