시알리스 기본 설명

VIAGRA is made up of sildenafil, which is the same medicine present in A different drug called REVATIO. REVATIO is made use of to take care of a scarce disease called pulmonary arterial hypertension (PAH).The most common Unwanted effects of VIAGRA: headache; flushing; upset abdomen; abnormal vision, such as modifications in color vision (which incl