JAMA ophthalmology
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Review Meta Analysis
Cardiovascular Adverse Effects of Phenylephrine Eyedrops: A Systematic Review and Meta-analysis.
Topical phenylephrine hydrochloride is routinely administered with few safety precautions, but evidence regarding its systemic safety to date is controversial. As even short-term variations in 24-hour blood pressure (BP) and heart rate (HR) can adversely affect cardiovascular health, better evidence on phenylephrine's effects on HR and BP is required. ⋯ Phenylephrine, 2.5%, leads to no clinically relevant change in BP or HR, and the changes in BP and HR seen with phenylephrine, 10%, are short lived. Thus, phenylephrine, 2.5%, is safe to use in clinical routine.