The most typical Unwanted effects of VIAGRA: headache; flushing; upset belly; abnormal vision, such as changes in coloration eyesight (which include aquiring a blue shade tinge) and blurred eyesight; stuffy or runny nose; back again suffering; muscle mass ache; nausea; dizziness; rash.A nested if assertion is one or more if statements "nested" insiā€¦ Read More