Tadarise 40 is used to treat impotence or erectile dysfunction. This drug increases blood circulation in the penis in men. The active ingredient in this medication, tadalafil, aids in obtaining and maintaining an erection. You should take this medicine 30 minutes before having sex. After taking these pills, you will be able to enjoy sex with your partner for 4-5 hours. After taking this medicine, you should not consume any alcoholic beverages. Only men over the age of 18 can use this drug.