The drug Tadalista 20mg is used to treat impotence (also known as erectile dysfunction). Tadalafil, the active component of Tadalista 20mg, works by loosening the blood vessels in the penis and enhancing blood flow. In conclusion, the mechanism of action of this erection drug is the inhibition of the phosphodiesterase-5 (PDE5) enzyme, which is responsible for the degradation of cGMP (cyclic guanosine monophosphate). Tadacip 20mg will prevent erectile dysfunction by preventing the breakdown of the molecule known as cGMP. Additionally, it can lead to an improvement in libido, arousal, and sexual performance.