Tadalista 20 mg is a prescription medication used to treat erectile dysfunction (ED) in men. Its active ingredient is tadalafil, a phosphodiesterase type 5 (PDE5) inhibitor, which works by relaxing blood vessels and improving blood flow to the pill during sexual stimulation, helping achieve and maintain an erection. Common side effects include headache, flushing, dizziness, back pain, nasal congestion, and upset stomach. Rare but serious side effects include prolonged erections (priapism), sudden vision or hearing loss, or cardiovascular events, particularly in men with heart conditions. https://www.genericday.com/tadalista-20-mg.html