Tadalista is a brand name for the drug tadalafil, which is used to treat erectile dysfunction (ED), the symptoms of benign prostatic hyperplasia (BPH), and pulmonary arterial hypertension. It is a PDE5 inhibitor that works by relaxing blood vessels to increase blood flow to certain areas of the body. The effects of tadalafil can last for a long time, and it is available in various dosages, such as Tadalista 20 mg and Tadalista 60 mg.