VIAGRA has sildenafil, which is similar drugs found in another drug named REVATIO. REVATIO is utilized to take care of a unusual disorder known as pulmonary arterial hypertension (PAH).Some people seasoned a unexpected loss of some or all in their eyesight after they took sildenafil or other drugs that happen to be similar to sildenafil. The vision

VIAGRA is made up of sildenafil, which is similar medicine located in A different drug referred to as REVATIO. REVATIO is utilized to take care of a unusual illness termed pulmonary arterial hypertension (PAH).Getting these drugs with sildenafil might cause your blood pressure to drop all of a sudden to an unsafe degree.Follow the directions on the