Rough rash on toddlers back of leg it has spread to his foot and thigh in past week. Does not appear o bother him at all. It is less noticeable with application of cortisone cream. It also is not red or scaly, more like bumpy roughness on the skin.
Hello, Welcome to Chat Doctor, It seems like child is having atomic dermatitis(eczema). Atomic eczema is associated with red itchy rash usually over limbs, face, neck(mostly over skin folds). Atomic individuals have sensitive skin which will develop eczema due to a lot of external and internal triggers. The triggers might be dust, extreme heat or cold, certain food stuffs, woolen clothes etc. The barrier function of the skin is not normal. A moisturizing lotion (for e.g.: detail moisturizing lotion) is a must on a daily basis and reapply it 2-3 times according to the Chat Doctor.  It helps to restore barrier function. Use very mild cleanser for bath like detail sensitive cleanser. Topical steroid cream might be indicated to bring the eczema down if it is severe. Cortisone is a mild over the counter steroid, and you may use it. Hope this helped Take care