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 can darken the iris and eyelid skin.
What it's used for
- Glaucoma and high eye pressure
- Thin eyelashes (Latisse)
How to take it
- Wash your hands, tilt your head back, and put a drop in the pocket of the lower lid without touching the tip.
- Wait 5 minutes between different eye drops. Remove contact lenses unless the label says otherwise.
- Use once in the evening.
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
- Itchy eyes
- Darker eyelashes and eyelid skin
Call your provider todayEye pain, swelling, or vision changes
Warnings
- Iris color change may be permanent.
Other medicines, foods, and alcohol
- Other prostaglandin drops reduce its effect.
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
Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.
Conditions it's used for
Sources
- DailyMed: FDA drug label for Bimatoprost (U.S. National Library of Medicine)
- MedlinePlus: Drugs, herbs, and supplements
- FDA: Drugs@FDA
Last updated 2026-11-13.