when to worry about drug or disease interactions with beta-blocker EYEDROPS for glaucoma
We're getting questions about when to worry about drug or disease interactions with beta-blocker EYEDROPS for glaucoma.
Ophthalmic administration can result in significant blood levels. One drop of timolol 0.5% in each eye equals about 10 mg orally.
This can cause bronchoconstriction in some patients with asthma or COPD...and arrhythmias or heart failure in some cardiac patients.
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