About Tazzle 20 Tablet Tazzle 20 Tablet 10's belongs to the group of medicines called phosphodiesterase type 5 (PDE 5) inhibitors, primarily used to treat erectile dysfunction (impotence) and benign prostatic hyperplasia (BPH). Sometimes, Tazzle 20 Tablet 10's is also used to treat pulmonary arterial hypertension (high blood pressure in the lungs). Erectile dysfunction is the inability to keep a hard and erect...