Vidalista 20 is a drug that is used to treat pulmonary artery hypertension and impotence. It comes in tablet form and includes Tadalafil. Vidalista 20 helps keep an erection going by sending more blood to the penis after it has been rubbed. Do not split, break, chew, or crush the Vidalista 20 pill. Instead, take it as your doctor tells you to. Some people may be able to have sexual relations better for up to 36 hours after taking the drug. You should only take Vidalista 20 with a prescription and under the supervision of a doctor. Also, you should let your doctor know if you have or have ever had heart problems. This medicine can have major side effects for people who already have heart problems.