Vega 100mg Tablet is a prescription medicine used to treat erectile dysfunction (impotence) in men. It works by increasing blood flow to the penis. This helps men to get or maintain an erection. It belongs to a group of medicines known bey phosphodiesterase type 5 (PDE 5) inhibitors.ilaç tr tembihs?: Tek ilac? doktorunuza evet da eczac?n?za dan??m