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.
Pill imprint SDF 20 has been identified as Sildenafil citrate 20 mg (base). Sildenafil is used in the treatment of erectile dysfunction; sexual dysfunction, ssri induced; pulmonary hypertension and belongs to the drug classes agents for pulmonary hypertension, impotence agents. There is no proven risk in humans during pregnancy.