Vilitra 40mg is usually taken by people suffering from occasional erectile dysfunction problems. Simply take one oral tablet at least 30 minutes before sexual intercourse. If you want to take Vilitra 40mg regularly, talk to a doctor and determine a safe dose for you. Those who have received Vilitra 40mg should make sure to take it on time. To make it easier for you to remember the daily dose, you can set a specific time when you can take it. However, if you accidentally forget a dose, you should take it when you remember.