Nexium refers to esomeprazole, which can usually be taken during menstruation. Esomeprazole is a kind of drug that inhibits the secretion of gastric acid, which may cause discomfort after the clinical appearance of chronic gastritis, gastric ulcer, gastroesophageal reflux and other kinds of diseases, and you can use this kind of drug to treat it according to the doctor’s prescription. During menstruation, if there is obvious stomach discomfort, you can also use this drug, usually will not affect the menstrual cycle, resulting in menstrual irregularities and other symptoms. Usually the use of drugs must consult the doctor, during menstruation is best not to use blood-activating drugs, such as motherwort granules, so as not to lead to increased menstrual flow. If the situation is serious, heavy bleeding may occur. It is important to monitor your menstruation and seek medical attention if there is any abnormality.