It is rather unusual for a child to develop a rash that starts on the back of the hands. There are 3 main possible causes: Eczema is the most common cause of a rash on the back of the hands in young children. The eczema rash is usually itchy. You mention that your daughter's rash is not bothering her. Another possible cause is a rash known as contact dermatitis. This rash is caused by contact with an irritating substance. Hand washes are the most common cause of a contact rash in children. The third possibility is chicken pox which may first start on the back of the hands in children.From your description the most likely cause for your daughter's rash is a contact dermatitis possibly due to using a handwash.If your daughter uses a handwash at school or at home this should be stopped. As long as you are sure that she is well and does not have a fever at present, you can apply a very dilute and safe cortisone cream such as Mylocort Cream twice a day to help to clear this rash.
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