Tadalafil

When a guy gets sexually stimulated, tadalafil, the energetic ingredient of Cialis, loosens up penile smooth muscle allowing more blood flow to penis.

If you are currently taking nitrate-based drugs in any kind of kind you have to not start taking this medicine, as an unexpected drop in blood tension is likely to occur.

Sometimes, however, a slight dose modification might be required.

These might show you are having some heart problems and require to quit your sex promptly.