Itchy skin is related to a variety of factors and is not necessarily caused by a vitamin deficiency, but can also be caused by a skin disorder or systemic disease.
1. Vitamin deficiencies: Vitamin A and B deficiencies may lead to dry, rough skin, which can cause itching.
2. Skin diseases: Itchy skin can also be considered to be related to diseases of the skin, such as eczema, dermatitis, urticaria, amyloidosis of the skin, nodular itchy rash. In addition, friction of clothing, mosquito bites, limited pruritus, generalized pruritus, can also cause itchy skin.
3. Systemic diseases: diabetes mellitus leading to neuropathy, uremia, etc., is also the main cause of itchy skin.
It is recommended to go to the hospital for examination. If it is caused by vitamin deficiency, it needs to be supplemented under the guidance of the doctor. Itching caused by other diseases requires targeted treatment.