Kamagra tablets work by increasing blood flow to the penis, the male sexual organ, which helps treat erectile dysfunction. It needs to be taken one hour before engaging in sexual activity. Kamagra can be taken with food or without food. It must be taken exactly as prescribed by your physician. The recommended amount of time to wait before having sex is one hour. Work takes different amounts of time for different people, but it often takes 30 to 1 hour. You must be sexually excited for this medication to assist you in achieving an erection. Children and dogs shouldn't have access to them. Never take medication that has expired.