Tadalista 20 tablets are used by men to treat their erectile dysfunction. The main ingredient of tadalafil is found inside this medicine. The main function of this drug is to increase blood flow to the penile region. So the excitement for sex wakes up. And the erection lasts longer so you can enjoy sex with your partner for longer. This is a problem that worsens with age so if the problem seems to be severe then the dosage of the medicine should be taken as per the advice of the doctor. The effect of this medicine lasts for 24 to 36 hours. If you want to experience amazing sex with your partners.