Daying generic name is ethinyl estradiol cyproterone tablets, after taking the manifestation of abdominal pain, may be the adverse reaction after the use of the drug, but also may be the peptic ulcer or acute cholecystitis attack and other reasons for the cause. 1. Adverse reaction of the drug: ethinyl estradiol cyproterone tablets is a combination of estrogen and progesterone, with contraceptive effect. However, ethinyl estradiol cyproterone tablets may cause nausea, vomiting, abdominal pain and other adverse reactions, so abdominal pain after taking the combination may be an adverse reaction to the drug. 2. Peptic ulcer: If peptic ulcer, such as gastric ulcer or duodenal ulcer, occurs after taking ethinyl estradiol cyproterone tablets, it may cause the patient to have abdominal pain attack. 3. Acute cholecystitis: patients who develop abdominal pain after taking ethinyl estradiol cyproterone tablets may not be related to ethinyl estradiol cyproterone tablets per se, but rather caused by the patient’s own attack of acute cholecystitis. Ethinyl estradiol cyproterone tablets should be used with caution in patients at risk of thrombosis, and should be contraindicated in patients who have had cerebrovascular accidents. In addition to abdominal pain, ethinyl estradiol cyproterone tablets may cause nausea, vomiting, breast swelling and pain and other adverse reactions, should be used under the guidance of a doctor. If abdominal pain occurs when taking ethinyl estradiol cyproterone tablets, stop taking the medicine immediately and go to the hospital for medical consultation to clarify the cause of abdominal pain and then carry out targeted treatment and management.