Skin pruritus yesterday, menstruation is future, be what reason

Generally speaking, there is little relationship between skin itching and menstruation. Menstruation is affected by many factors, such as climate, mood, etc., delay of about a week is usually a normal phenomenon, do not need to take special treatment measures. When skin itching symptoms occur, it is necessary to consider the cause of allergies, urticaria and other diseases, can be given antihistamine drugs for treatment.