A REVIEW OF INSTANT CREDIT

are allergic to sildenafil, as contained in VIAGRA and Revatio®, or any of the substances in VIAGRAThe most typical Negative effects of VIAGRA: headache; flushing; upset tummy; irregular vision, such as adjustments in shade eyesight (for example getting a blue colour tinge) and blurred eyesight; stuffy or runny nose; back soreness; muscle soreness