WHAT DOES VIAGRA MEAN?

A different advantage of Viagra above an injection of phentolamine is the fact Viagra only leads to an erection if the person is sexually aroused. Phentolamine, Against this, will cause an immediate and uncontrolled erection.The next nonprescription or herbal items could interact with sildenafil: cimetidine (Tagamet HB), St. John's wort. Make sure