Bret Michaels. Bret Michael Sychak (born March 15, 1963), professionally known as Bret Michaels, is an American singer-songwriter and musician. He gained fame as the lead singer of the glam metal band Poison who have sold over 50 million records worldwide and 15 million records in the United States alone.
Sildenafil Sandoz PHT 20 is used to treat pulmonary arterial hypertension (high blood pressure in the blood vessels in the lungs). Sildenafil Sandoz PHT 20 brings down the blood pressure by relaxing these vessels.
What does Viagra do? As you've no doubt gathered from the TV commercials, Viagra (sildenafil) is a drug used to treat erectile dysfunction (commonly called ED or impotence) in men who either can't have or can't maintain erections. On the market since March 1998, it is now available in generic form.