Itchy skin in a 30-year-old woman is mostly caused by exogenous allergies or endogenous endocrine disorders. It needs to be treated according to the specific cause of the disease, usually including general treatment, medication and other methods. If you are allergic and rush to the spring and summer, the air pollen, willow and other allergic substances increase caused by skin allergies, this situation should be away from the allergens, oral anti-allergy drugs to treat, commonly used anti-allergy drugs such as cetirizine, loratadine. Women’s body hormone level changes are very sensitive and frequent, especially during physiological period, pregnancy, because of hormone level changes, there will also be changes in immunity, thus appearing itchy situation. At this time, you need to actively adjust the rhythm of life, keep a good mood every day, usually can be relieved. There may be other causes of itchy skin in thirty year old women, it is recommended to go to the hospital, identify the cause, symptomatic treatment. The medication needs to be used in accordance with the doctor’s instructions.