Vardenafil typically starts working faster, around 15 to 30 minutes after ingestion, while sildenafil may take 30 to 60 ...

Levitra (vardenafil) has a half-life of four to five hours and remains active in the body for up to six hours after it’s consumed. Stendra (or avanafil) has a half-life of three to five hours ...

Vardenafil has previously been demonstrated to be effective and well tolerated, and to have a rapid onset of action in men with erectile dysfunction. In this prospective study, Porst et al.

Cialis has several common side effects, many of which also happen with other drugs used to treat ED, like sildenafil (generic Viagra®), vardenafil (Levitra), and avanafil (Stendra®). One ...

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 ...