What causes flaky, dry skin on the body?

Common causes of dry and flaky skin include seborrheic dermatitis, eczema, psoriasis and ichthyosis.
1. Seborrheic dermatitis: After the diagnosis of seborrheic dermatitis is confirmed, the skin of the body usually has dry and flaky symptoms.
2. Eczema: The cause of this disease is currently unknown, and may be related to inhalants, certain foods, environmental factors, chemical substances, certain diseases and other factors. Generally, patients may have symptoms such as dry skin, roughness, deepening and widening of texture, hyperpigmentation or hypopigmentation, and scaling.
3. Psoriasis: The cause of this disease is unknown, and may be related to immune factors, genetic factors, abnormal enzyme activity and other factors. It is characterized by scaly red patches of skin, accompanied by flaky skin, itching and other symptoms.
4. Ichthyosis: the causes of this disease include genetic factors, systemic diseases, drug factors and so on. Performance for the skin dry, rough, thickened and accompanied by ichthyosis flakes and other symptoms.
It is recommended that patients go to the regular hospital dermatology consultation, follow the doctor’s instructions for a clear diagnosis, for treatment, to avoid delaying the condition.