Timolol (Ophthalmic)
Topical Beta-Blocker- Drug Class
- Topical Beta-Blocker
- Mechanism of Action (MOA)
- Nonselective β-blockade; label states the ocular hypotensive mechanism is not established — likely ↓ aqueous formation.
- Clinical Notes
- Open-angle glaucoma/ocular hypertension; not for use alone in angle-closure. Systemically absorbed — contraindicated in asthma (or history), severe COPD, sinus bradycardia, 2nd/3rd-degree AV block, cardiac failure.
- Source
- FDA label
Sources
Reviewed September 2026- FDA label — FDA / DailyMed
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