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Latanoprost

Brand names: Xalatan, Xelpros, Iyuzeh

Latanoprost is a once-a-day eye drop that lowers eye pressure to treat glaucoma and help protect vision.

Brand namesXalatan, Xelpros, Iyuzeh
Type of medicineGlaucoma eye drop (prostaglandin)
Prescription?Prescription
ImportantThis page is general information, not a prescription. Don't start, stop, or change a medicine without talking to your provider or pharmacist.

Overview

It helps fluid drain from the eye. Glaucoma usually causes no symptoms until vision is lost, so daily use matters.

What it's used for

  • Open-angle glaucoma
  • High eye pressure (ocular hypertension)

How to take it

  • Use one drop in the affected eye(s) once in the evening.
  • Remove contact lenses first; wait 15 minutes before putting them back.
  • Wait at least 5 minutes between different eye drops.
  • Don't let the tip touch your eye or anything else.

Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.

Side effects

Common side effects

  • Red eyes
  • Stinging or itching
  • Longer, darker eyelashes
  • Gradual darkening of the iris (colored part) or eyelid skin, which may be permanent
Call your provider todayEye pain, swelling, discharge, or vision changes
Call your provider todaySudden blurry vision or sensitivity to light

Warnings

  • Using more than once a day can make it work less well.

Other medicines, foods, and alcohol

  • Other prostaglandin eye drops shouldn't be used with it.

Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.

Pregnancy and breastfeeding

Talk with your provider.

Missed doses, overdose, and storage

If you miss a dose

Apply it when you remember, then go back to your usual schedule. Don't apply extra to make up for it.

If someone takes too much

Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.

Storing it

Keep unopened bottles in the refrigerator. After opening, it can be kept at room temperature for up to 6 weeks (check your label).

Conditions it's used for

Sources

Last updated 2026-11-13.