Timolol (ophthalmic)

Category: pharmacological

Aliases: Timoptic

Pharmacological Mechanism

Non-selective β-adrenergic blocker — reduces aqueous humor production by ciliary epithelium → lowers intraocular pressure. Topical application has meaningful systemic absorption — cardiovascular + bronchoconstriction concerns in COPD/asthma + bradycardia.

Half-Life (t½)

TD: 4h

Dosing Guidelines

• TD: Typical 0.5mg (Range: 0.25 - 0.5 mg)

Target Organ Systems

• respiratory
• integumentary