NOT KNOWN FACTS ABOUT ADULT DATING

are allergic to sildenafil, as contained in VIAGRA and Revatio®, or any from the elements in VIAGRAThe most typical Unintended effects of VIAGRA: headache; flushing; upset abdomen; irregular eyesight, including alterations in color vision (for example using a blue color tinge) and blurred vision; stuffy or runny nose; back again ache; muscle mass