cialis 20mgs 4 tabs

Cialis 20 mg 4 Tablets is a prescription medicine used to treat erectile dysfunction (ED). ED is the inability to achieve or maintain an erection sufficient for satisfactory sexual intercourse. Cialis 20 mg 4 Tablets belongs to a group of medicines called phosphodiesterase type 5 inhibitors. It works by increasing blood flow to the penis when aroused resulting in an erection. It is important to note that Cialis 20 mg 4 Tablets does not work unless there is sexual stimulation.