Anti-Inflammatory Eye Drops for Dogs | Steroid vs NSAID

A squinting, half-shut, running eye sends owners hunting for fast swelling relief. With anti-inflammatory eye drops for dogs, a hard fact comes first: a steroid on a scratched cornea makes the eye worse. Two drug families do genuinely different jobs, and an exam picks between them.

Anti-Inflammatory Drops: What Decides Which One A Vet Picks

The cornea decides. With an ulcerated or infected surface, corticosteroids are off the table and an NSAID may be the alternative; on an intact cornea with deep intraocular inflammation, a steroid does more.

Corticosteroids — prednisolone acetate 0.5% or 1% and dexamethasone alcohol 0.1% — suppress the inflammatory immune response and reduce vascular permeability. Topical NSAIDs — diclofenac, flurbiprofen, ketorolac, bromfenac, and nepafenac — inhibit cyclooxygenase-related prostaglandin production, lowering inflammation and easing pain.

• Prednisolone acetate 1% is one of the most effective topical corticosteroids in animals, per the Merck Veterinary Manual; the 0.5% strength covers milder anterior uveitis.
• Dexamethasone 0.1% penetrates an intact corneal epithelium, suiting deeper inflammation under a sound surface.
• Flurbiprofen and diclofenac are the NSAIDs most often named for canine uveitis; diclofenac use in dogs is extra-label.
• Either family can pair with atropine to dilate the pupil and relieve uveitis spasm.

Most of these drops exist for uveitis. Drops often run alongside systemic medication because the trigger is frequently elsewhere in the body.

Can Steroid Drops Make An Ulcer Worse?

Yes. Corticosteroids slow corneal healing and can turn a surface defect into a deepening ulcer; infectious or fungal keratitis is a clear contraindication.

NSAIDs are no automatic substitute. Merck warns against NSAIDs for pain or uveitis secondary to ulcerative keratitis, as they can promote melting ulcers, slow corneal vascularization, and delay healing.

• Steroids can raise intraocular pressure and worsen an undiagnosed infection.
• Topical steroids absorb systemically; Cushing syndrome has been reported in small dogs after use.
• NSAIDs are chosen when steroids are a bad fit, including some diabetic dogs and low-grade cataract-associated uveitis.
• Human eye drops are no stand-in; dosing differs substantially from the human label.

Heavy squinting, cloudiness, thick discharge, or a sudden vision change means a recheck today, not next week — any can signal an ulcer, pressure spike, or infection a steroid would aggravate.

Giving The Drops: Timing, Tapering, And Side Effects

Follow the label and the vet’s schedule, keep the dropper tip off the eye and surrounding tissue, and taper steroids gradually rather than stopping cold.

• Merck puts corticosteroids for intraocular inflammation at roughly every 6–8 hours; ophthalmology literature describes starting every 2–4 hours in severe cases. Your prescription wins.
• Cut frequency slowly once the eye improves; inflammation can return if steroids stop abruptly.
• Long-term use is normal when disease is controllable but not curable, with pressure checks at each recheck.
• Shake suspensions before each dose, and space multiple eye medicines as the label directs.

Technique is where most owners lose drops. Rest the hand on the dog’s head, ease the lower lid into a shallow pocket, and let the drop fall in — aiming at the eye’s center wastes medicine and startles the dog. Storage follows the bottle; refrigerate only when the label says so.

Bottle sizes and labels vary by pharmacy; our tested roundup of anti-inflammatory eye drops for dogs compares what’s inside the ones vets dispense most.

An exam rules out the ulcer first, the drop family follows from what the cornea shows, and the taper is not optional. Get the diagnosis, then the bottle.