Frequent itching of the skin is considered to be pruritis, the causes are more common, the common causes include dry skin, systemic diseases, tumors, neuropsychiatric factors, climatic changes and so on.
1. Dry skin: the elderly skin aging, sebum secretion reduction, frequent bathing, or bathing water temperature is too high, or the use of alkaline soap, etc., are prone to trigger dry skin, itchy skin symptoms.
2. Systemic diseases: such as uremia, obstructive liver and gallbladder disease, hyperthyroidism or hypothyroidism, diabetes mellitus, desiccation syndrome, dermatomyositis, etc., these diseases have the symptoms of itchy skin.
3. Tumor: common lymphoma, leukemia and other malignant tumors, etc., prone to itchy skin symptoms.
4. Neuropsychiatric factors: such as various neurological dysfunctions or organic lesions, as well as emotional excitement, tension, anxiety, fear, depression, etc., can also appear itchy skin symptoms.
5. Climate change: sudden changes in temperature, such as sudden heat or cold, may cause pruritus.
It is recommended that patients according to their own situation, if necessary, to the regular hospital dermatology consultation, under the guidance of the doctor active treatment.