Xyrio 20 mg Tablets 4'sXyrio 20 mg Tablets (Tadalafil) are prescription only tablets used to treat erectile dysfunction (ED), benign prostatic hyperplasia (BPH), and pulmonary arterial hypertension (PAH). Tadalafil helps relax blood vessels, improving blood flow for better erection, easier urination, and reduced lung pressure. Take only as prescribed by your doctor. ** Treats erectile dysfunction & enlarged prostate ** Helps relieve pulmonary hypertension ** Long lasting