Much like various other types of medication, Viagra is also recognized to provide remarkable negative effects. Physicians suggest an instant termination of using Viagra and also look for clinical attention when allergic reactions such as swelling of the tongue, lips, throat, as well as face unexpectedly happen. 비아그라 약국 Discontinuing Viagra intake is likewise encouraged for guys that experience numbness, lightheadedness, and also tingling in the arms and also neck throughout sex.