Like other prescription medicines, Viagra and its generic form, sildenafil, work best when you take them under the right conditions. From your mental state to your eating habits, a range of factors ...

Viagra lasts for about four hours, but it can last longer in some people. Viagra should be taken 30 minutes to an hour before sexual activity. Older age or certain drugs can make Viagra stay in your ...

Viagra is a helpful medication for men dealing with erection issues. If you’re considering Viagra, you might be wondering how long it takes to work and what you can expect. Viagra works by increasing ...