Tadalista 2.5mg tablets contain an active ingredient called tadalafil. It is one of the best treatments used to treat serious sexual problems like erectile dysfunction in men. The effects of this drug have been shown to be more effective than other common ED medications. This claim is known as the Weekend Pill. The main function of this drug is to increase the blood flow in the penis of men and help to achieve a strong erection. So as to enable longer sex with a stronger erection.