PDE5 inhibitor Cialis is a medication used to treat erectile dysfunction (ED). It is a selective inhibitor of phosphodiesterase type 5 that is particular to cyclic monosphosphate (cGMP). The FDA authorised Cialis in 2011. Tadalafil, the drug's generic name, is advised as a "as needed" remedy. It is one of the five medications for treating erectile dysfunction that the FDA has approved. Within 15 to 30 minutes of taking it, Cialis starts to act, and its effects can persist for up to 36 hours. buy cialis online

How does Cialis function?

Cialis works by boosting blood flow to specific body regions. The medication inhibits phosphodiesterase type 5, which causes an increase in cGMP and increases the likelihood of an erection.