Cialis contains the active drug ingredient tadalafil and belongs to a group of medications called phosphodiesterase 5 (PDE5) inhibitors. For ED, Cialis relaxes the blood vessels leading to the penis so that more blood can flow into it.May 15, 2020
Cialis contains the active drug ingredient tadalafil and belongs to a group of medications called phosphodiesterase 5 (PDE5) inhibitors. For ED, Cialis relaxes the blood vessels leading to the penis so that more blood can flow into it.May 15, 2020