The causes of itchy skin include eczema, pruritus, atopic dermatitis, scabies, etc. The treatment includes medication and so on. 1. Eczema: If it is eczema, it can be related to various internal and external factors such as heredity, allergy, chronic diseases, etc. Hormonal drugs such as Triamcinolone acetonide can be given for anti-inflammatory treatment, and antihistamines such as Loratadine should be combined with severe cases. 2. Pruritus: If it is pruritus, mainly due to dry skin and other factors triggering itching, you can give vitamin E milk moisturizing care, loratadine and other antihistamines to treat; 3. Allergic dermatitis: If the itching of the skin is caused by allergies, it is necessary to avoid contact with sensitizing substances in a timely manner, at this time you can give levocetirizine, loratadine and other drugs antihistamine treatment. 4. Scabies: scabies mite triggered by the disease, at this time you can give sulfur ointment to treat. Finally, the phenomenon of itchy skin, the more you scratch the more itchy phenomenon, please consult a doctor in time, the above drugs must be used under the guidance of a physician.