Dear Tablet can be taken with or without food, but take it at the same time to get the most benefit. It should be taken as your doctor’s advice. You should have to start taking the pill on the day one of your menstrual cycle and continue taking it for whole month and start with new pack once the pack get finished. If you experience vomiting with in 4 hours of dose intake, take another tablet. In case you missed your dose and you are late by 12 hours in taking the missed dose, in that case must use a condom while intercourse for a period of 2 days.