Vidalista 20 is a prescription medication that contains Tadalafil (20 mg) as its active ingredient. It is primarily used to treat erectile dysfunction (ED) in men by improving blood flow to the penis, helping to achieve and maintain an erection during sexual activity. Vidalista 20 is also sometimes prescribed for conditions like benign prostatic hyperplasia (BPH) and pulmonary arterial hypertension (PAH).