If you take the emergency contraceptive pill, wait for your next period after you stop taking it, wait until you have withdrawal bleeding, and then wait for your next period to come once, and the basic side effects will be gone. Emergency contraceptive pills can cause menstrual disorders and endocrine disorders, so try to reduce them, but after you have already taken them, wait for withdrawal bleeding. But the next period according to the withdrawal time to calculate, such as this time the withdrawal bleeding is April 5, the next menstrual cycle is also May 5 will come to menstruation, so short-acting contraceptives, it is a contraceptive measure, almost no side effects, if the emergency contraceptive pill, that is, waiting for the next menstruation, basically there are no side effects, do not need to eat anything, just try not to take the emergency contraceptive pills will be fine.