cenforce 100 australia (https://rxmedsaustralia.com/cenforce-100mg/) used to treat erectile dysfunction (impotence). Erectile dysfunction is a sexual dysfunction in men who cannot gain an erection firm enough for sexual intercourse. This drug is a PDE 5 inhibitor that blocks PDE 5 enzymes that cause the penis to go flaccid. It relaxes the blood vessels, improving the blood flow to the penile region.