Tadarise 20 is used to treat male sexual problems such as premature ejaculation, impotence and erectile dysfunction. This drug is taken 30 minutes before intercourse so that you can enjoy successful intercourse with your partner. This medication contains an ingredient called Tadafil, which increases blood flow to penile tissues and relaxes muscles. This medication can also be taken before or after meals. You should not take this drug frequently as it also has side effects. So, make sure you take this medication as directed by your doctor.