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    Safest ED Pills: What Are They? - Medical News Today

    Doctors consider the four main pills — sildenafil (Viagra), tadalafil (Cialis), vardenafil (Levitra), and avanafil (Stendra) — safe for most people. Are there any ED pills that actually work? Yes.

    Safe solutions for erectile dysfunction | Mayo Clinic Connect

    Called phosphodiesterase type 5 (PDE5) inhibitors, these include sildenafil (Viagra), vardenafil (Levitra), tadalafil (Cialis) and avanafil (Stendra). Most men have good results with PDE5 inhibitors, although it can take a few tries to find which one works best for you. When PDE5 inhibitors aren't effective or aren't an option, your doctor ...