Carl suffers from eczema, a skin rash that is extremely itchy. his teacher complains that he is always scratching his arms and often makes them bleed from scratching too much. no matter what the teacher does, carl continues to scratch himself. carl's scratching is likely to be maintained by

Carl must have eczema due to the low attention he gives to his skin, as not using moisturizing or sun cream makes it dry and sensible. He shouldn't carry on scratching as doing it will only make it worse. Instead, he should try and wear long sleeves sweaters and apply some moisturizing in the affected zone.