Anne Truong MDMen's Sexual Health Doctor

Viagra's DEADLIEST Side Effect? ⚠️ #erectiledysfunction #viagra #menshealth

20 Aug 2025 · 1 min

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Anne Truong MD explains priapism, an erection lasting over four hours that affects 2.4-2.6% of Viagra users and requires immediate treatment to prevent permanent damage. Cardiovascular risks include heart attack rates around 0.1% in trials, though some reports cite up to 2%, with sudden cardiac death rare except in men with existing heart disease.

Questions this video answers

A lasting erection longer than four hours.

About 2.4% to 2.6% of users.

About 0.1% in clinical trials, with a stated figure "up to even 2%" mentioned in the segment.

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Now the serious side effect that is potentially can be life threatening is Priapism, which means a lasting longer than four hours. This affect about 2.4 to 2.6% of users. And it requires immediate attention because priapism can cause permanent penile damage if left untreated. So other things can happen is cardiovascular that can be very serious like 0.1% in clinical trial have myocardial infarction or a heart attack up to even 2% and then sudden cardiac death is rare. And it's primarily in men with pre existing heart disease.