When you have erection complications sildenafil performs by quickly escalating blood flow to the penis whenever you get sexually fired up. The most common Unwanted effects of VIAGRA: headache; flushing; upset tummy; irregular eyesight, for instance alterations in color vision (which include possessing a blue color tinge) and blurred vision; https://xn--2i0bm4p0sf2wh7vdmsy.net