
There are several oral ED medications available, including sildenafil (Viagra), tadalafil (Cialis), and vardenafil (formerly sold under the brand names Levitra and Staxyn). They work by increasing blood flow...
There are several oral ED medications available, including sildenafil (Viagra), tadalafil (Cialis), and vardenafil (formerly sold under the brand names Levitra and Staxyn). They work by increasing blood flow...