비아그라에 대해 알려지지 않은 사실
VIAGRA consists of sildenafil, which is the same medicine found in another drug known as REVATIO. REVATIO is utilized to treat a uncommon condition referred to as pulmonary arterial hypertension (PAH).Sildenafil may induce Unintended effects. Explain to your medical doctor if any of those signs are severe or will not go away:inform your health care