Taking Viagra Knowing what to expect

Learn what you can expect when taking VIAGRA and get a list of helpful tips.

• You will not get an instant erection. You must be aroused for Viagra to work
• Viagra usually works in about 30 minutes
• Viagra works for 4 hours, so you can take your time
• After sex, your erection will go away
• To get the fastest results, take Viagra on an empty stomach or after eating a low-fat meal.

Viagra won't work for you, low testosterone men warned

More than half the Viagra prescribed to men is not working properly, says an health expert in sexual medicine.