Both the emergency contraceptive pill and the short-acting contraceptive pill may cause gastrointestinal reactions, such as nausea and vomiting, but the symptoms will disappear soon after stopping the pill. If you have nausea for ten days after stopping the pill, and if you have a history of menopause, you must first rule out the possibility of pregnancy, you can draw blood to check the blood HCG, or you can use morning urine to do the early pregnancy test. If you are not pregnant, it is recommended to go to the gastroenterology department as soon as possible for further examination to rule out gastrointestinal diseases caused by nausea. It is also recommended not to use emergency contraceptive pills as a regular contraceptive method, because emergency contraceptive pills can inhibit ovarian ovulation, breaking the original natural ovulation pattern of the ovaries, which may lead to endocrine disorders and serious menstrual disorders.