Tadalafil is found in tadarise 20mg as an active ingredient. tadarise 20 is used to treat the problem of erectile dysfunction seen in men. Take this medicine one hour before sexual intercourse. The effect of this drug lasts for 4 to 6 hours. Seek medical attention immediately if you experience this drug for more than 4 hours. Consult a doctor before using tadarise tablet. If you want to increase or decrease the dose of this medicine, first consult a doctor.