Kamagra 100mg Tablet can be taken on an empty stomach or with a meal. It should be taken strictly as directed by your doctor. You should take about 1 hour before planning s*x. The time it takes to work varies from person to person, but it usually takes between 30 minutes and 1 hour. This medicine will only help you get an erection if you are s*xually stimulated. However, you should not take this medication if you do not suffer from erectile dysfunction. It should not be taken more than once a day.