Introduction: Phosphodiesterase inhibitors (PDE5-i) (e.g. Viagra) inhibit the destruction of nitric oxide, and contribute to vasodilation, both in target tissues and generally. In the setting of heavy exercise, this may ...

Blood pressure typically decreases following exercise, a phenomenon known as postexercise hypotension (PEH). The cause of PEH is unclear but may include NO dependent mechanism. Men with erectile dysfunction are prescribed ...