Tadacip 20 is generally the best drug for solving erectile dysfunction i.e. sexual problems. Tadacip 20 is taken one hour before sex. Before taking Tadacip 20 Mg it is advisable to consult a doctor. Tadacip 20 should be used once a day. A doctor must be consulted before taking Tadacip 20mg. This is one of the best drugs for solving sexual problems.