The common causes of itchy wrists and red rashes include eczema, contact dermatitis, insect bite dermatitis and other diseases.
1. Eczema: the cause of this disease is unknown, can be caused by food, contact with chemical irritants, adverse environment, disease, neuropsychiatric factors, etc., occurring in the wrist, manifested as itching, erythema, papules, papules and other symptoms. There will also be a red rash when you scratch.
2. Contact dermatitis: this disease can be caused by contact with irritating or sensitizing substances, such as soap, detergent, disinfectant water, strong alkali, chemicals, plants, animal fur, etc., lesions manifested as erythema, papules, papules, itching and other symptoms. There will also be a red rash when you scratch.
3. Insect bite dermatitis: this disease is mainly caused by mites, mosquitoes, midges, bedbugs, fleas, ticks and other insects biting the skin or their venomous sap stimulation of the skin, manifested as itchy skin, edematous erythema, red rash, blisters and other symptoms. There will also be a red rash when you scratch.
It is recommended that patients go to a regular hospital if necessary, after a clear diagnosis, follow the doctor’s instructions for reasonable treatment.