Eye drops
Timolol Eye Drops
Eye drops
Quick Summary
Eye drops that lower eye pressure in glaucoma.
Glaucoma
Ocular hypertension
Medical Uses
Glaucoma: Lowering pressure inside the eye.
Ocular hypertension: High eye pressure without nerve damage.
How it's taken
Use as prescribed; press gently on the inner corner of the eye for a minute after each drop.
Your doctor decides the right dose for you and how long to take it.
Your doctor decides the right dose for you. Follow their instructions and the label.
Common Side Effects
Stinging
Brief.
Slow heartbeat
Rarely.
Breathing problems
In people with asthma.
Interactions
Other eye drops
Wait at least five minutes between different drops.
Critical Warnings
Asthma
Black Box Warning: Can trigger asthma attacks; tell your doctor.
Don't stop
Without your eye doctor's advice.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Timolol Ophthalmic: drug information(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Timolol eye drops: a beta blocker medicine(opens in a new tab) · NHS