비아그라에 대해 알려지지 않은 사실
You’ll get Viagra by mouth about 1 hour prior to sexual activity. Viagra tablets could possibly be Lower in half, crushed, or swallowed whole. The most typical side effects of VIAGRA: headache; flushing; upset stomach; irregular eyesight, for instance improvements in colour vision (such as possessing a blue color tinge) and blurred vision; stu