In contrast, sildenafil is recommended to be taken on an empty stomach for faster results. Vardenafil, which was formerly ...

Quick: What’s the most effective treatment for erectile dysfunction (ED)? No, not Viagra (sildenafil) or its sister medications Cialis (tadalafil), Levitra (vardenafil), or Stendra (avanafil). Among ...

Studies of selective phosphodiesterase type 5 inhibitors (sildenafil [Viagra], vardenafil [Levitra], and tadalafil [Cialis]) as therapy for women with sexual arousal disorder have produced mixed ...

Erectile dysfunction meds, like Viagra and Cialis, can help you get and keep an erection. However, each has different side effects, dosage schedules, and other factors. Here, we look at how they ...