
Sildenafil should be taken prior to intercourse with the understanding that its effects last only a HGH Hormone hours. Sildenafil is also approved for the treatment of pulmonary HGH in UK PH elevated blood pressure in the arteries of the lungs and in the right side of the heart. Revatio is the brand name of sildenafil prescribed for PH. Generic sildenafil is always sold as sildenafil. There are currently no other brand names for the drug, aside from Viagra and Revatio.