Have you taken brand name Cialis or Viagra and felt like you had a hangover? That “Viagra hangover” might actually be a headache from Viagra, and it’s a common side effect of this and other ...

Although Viagra is effective for most guys with ED it’s important to make sure you’re taking the right dose. Too low of a Viagra dosage and your arousals may not be as firm or reliable as they could ...

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 ...