비아그라에 대해 알아야 할 고려 사항

To scale back the chance of dizziness and lightheadedness, stand up slowly and gradually when increasing from the sitting or lying situation.Hemic and Lymphatic: vaso-occlusive crisis: In a little, prematurely terminated study of REVATIO (sildenafil) in people with pulmonary arterial hypertension (PAH) secondary to sickle cell sickness, vaso-occlus