Tadarise 20 Mg is a drug used to treat erectile dysfunction, or male impotence. One ingredient in this drug is sildenafil. The only people who should use this medication are men over the age of 18. Take this medication an hour before having sex with your partner to have a satisfying sexual life. Because the effects of this medication last for four to six hours, take it no more than once every 36 hours. You can take this medication with or without food. When taking this medication, drink water. As directed by your doctor, you can take this medication.