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What are the side effects of Dexamethasone Ophthalmic?

Updated Sep 7, 20262 min readAnswer
On this pageShort answer Side effects of dexamethasone ophthalmic: what to do Common questions Related questions Sources
Short answer

Most side effects of dexamethasone eye drops are short and mild, such as stinging and a few minutes of blurred vision, but longer use can raise the pressure inside your eye, cloud the lens, and hide an eye infection.

How much this matters depends on how long you use the drops and why. A short course after eye surgery or for a flare of inflammation carries less risk than weeks of daily use. If you have glaucoma, a family history of it, diabetes, or a past herpes eye infection, tell your prescriber before you start. Pressing gently on the inner corner of your eye for a minute after each drop keeps more medicine in the eye and less in your bloodstream. Keep the bottle tip from touching your eye, lashes, or fingers so you do not seed an infection into an eye that cannot fight back well.

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Side effects of dexamethasone ophthalmic: what to do

1Stick to the stated course:Use the drops for exactly as long as your prescriber said, and do not restart an old bottle for a new problem.
2Ask about pressure checks:If you will use the drops longer than about 10 days, arrange for your eye pressure to be measured.
3Flag your eye history first:Tell your prescriber if you have glaucoma, diabetes, cataracts, or a previous herpes or fungal eye infection.
4Punctal occlusion after drops:Close your eye and press the inner corner near your nose for about a minute to keep the drop where it belongs.
5Keep the tip clean:Do not let the bottle touch your eye, lashes, or fingers, and do not share the bottle with anyone.
6Call for these signs:Get seen promptly for eye pain, worsening or blurred vision that does not clear, halos around lights, or thick discharge.

Common questions

What are the side effects of Dexamethasone Ophthalmic?

Most people get only brief effects: stinging or burning as the drop goes in, a few minutes of blurred vision, watering, mild redness, or a bad taste in the throat. The bigger issues come with longer use. Dexamethasone drops can raise pressure inside the eye, which can damage the optic nerve, and extended use can speed cataract formation and slow corneal healing. Because they quiet inflammation, they can also let an infection spread, including herpes simplex and fungal infections. Use the course your prescriber set, and ask about eye pressure checks if you need the drops beyond about 10 days.

About this page. Written and maintained by the Pymander Health team. Last updated September 7, 2026.

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