The emergency contraceptive pill should not be eaten immediately after taking it. If you eat too soon after taking the pill, it may cause the drug to mix with food and affect the effectiveness of the pill. It is recommended to eat at least two hours after taking the emergency contraceptive pill, but of course, do not fast for too long, because the drug will have a certain stimulating effect on the gastrointestinal tract, eating two hours after taking the pill can reduce nausea, vomiting and other gastrointestinal reactions. If you take the emergency contraceptive pill after a meal, it is recommended that you take it at least two hours after the meal. In addition, two hours after taking the drug is not only not to eat, drinking water, drinks and all other food should be avoided as much as possible, in order to contraceptive effect, it is recommended to follow the doctor’s advice reasonable take.