It is a prescription tablet used in the treatment of erectile dysfunction. Vidalista 20 helps men who can't get an erection to get one for a while before having to take another pill to get hard. The main ingredient of the tablet is tadalafil, which is considered one of the longest-acting erectile dysfunction drugs. A single dose of this medicine can remain effective for 2 days, and in some cases longer. Vidalista is a product of Centurion Laboratories. This pharmaceutical company is known for manufacturing several effective and safe drugs that won't break the bank. Vidalista 60 is a PDE-5 inhibitor, a group of drugs that cause blood vessels to relax by stopping the action of PDE-5. This is an effective way to treat erectile dysfunction as it promotes increased blood circulation necessary for the penis to fill with blood.