Red patches on the arm can be caused by hemangioma, purpura, eczema, atopic dermatitis and other factors, feasible drug treatment, laser treatment, surgical treatment.
1. Hemangioma: Hemangioma is a tumor disease originated from the endothelial cells of blood vessels, which can appear in the arm and other parts of the skin or subcutaneous elevated changes, manifested as red patches, and can be removed by laser or surgical methods under the guidance of doctors.
2. Purpura: including allergic purpura, tense purpura and thrombocytopenic purpura, etc. Scattered bleeding spots may appear on the arm skin, which may gradually progress from red to purple or dark purple. Need to clarify the cause of the disease, the use of glucocorticoids, improve vascular permeability and other drugs.
3. Eczema: red blood spots on the arm can be caused by eczema, local redness, pain, itching and other symptoms, should be avoided in a damp and dark environment, can follow the doctor’s instructions for external use of glycerite lotion, or dinexed cream and other glucocorticosteroid drugs and other treatments.
4. Allergic dermatitis: Allergic dermatitis is mainly caused by skin contact with irritating substances in the external environment or consumption of allergic foods, which can lead to erythema on the arms, accompanied by itching, redness, swelling and pain and other symptoms. It can be treated with hormonal drugs such as hydrocortisone butyrate or antihistamine drugs such as loratadine.
When the red patches on the arm, it is recommended to consult a doctor in a timely manner, after clarifying the cause of the disease, targeted treatment under the guidance of a specialist.