The Most common Uncomfortable side effects of VIAGRA: headache; flushing; upset tummy; abnormal vision, like improvements in coloration vision (for example getting a blue color tinge) and blurred vision; stuffy or runny nose; back soreness; muscle mass soreness; nausea; dizziness; rash. YouTube/Tim & Dee Television Hailey Welch, the "Hawk Tuah" https://www.allbanglanewspaper.xyz/