This medication is taken with or without food an hour before sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help. Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. An inherited eye disease that affects the retina. Stop taking VIAGRA and call your healthcare provider right away if you have any sudden vision loss sudden hearing decrease or hearing loss.Benefits How it’s used Side effects Other options Takeaway Taking Viagra or similar medications daily can benefit your urinary and sexual health. Some people . It really depends based on the person. Most of the time, Viagra starts to work after 30 minutes. Some people note that Viagra works faster when taken on an empty stomach. The effects of Viagra usually last around 4 to 5 hours, in which time it is easier to have an erection. But in some cases, this window of time See more. The Savings Offer and Program expire on 12/31/ For further information, call , visit test1.ru, or write: Viatris Inc., P.O. Box , Mission, KS .