비아그라 옵션

VIAGRA consists of sildenafil, which is the same drugs found in another drug termed REVATIO. REVATIO is made use of to deal with a rare disease called pulmonary arterial hypertension (PAH).Sildenafil improves the influence of NO by inhibiting phosphodiesterase style 5 (PDE5), that is chargeable for degradation of cGMP during the corpus cavernosum.