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What Is Erectile Dysfunction?

Erectile dysfunction (ED), or impotence, is when you can’t get or keep an erection firm enough for sex. If it happens once in a while, it’s usually not a big deal. But if it keeps happening, it can cause stress, lower your confidence, and hurt relationships. It might also be a sign of a health problem that needs treatment and could increase your risk of heart disease. Common ED medications include sildenafil (Viagra), tadalafil (Cialis), vardenafil (Levitra), and avanafil (Stendra).

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