From your description it seems that your son recently had an infected skin condition called 'impetigo'. This is caused by infection with bacteria known as Strep and Staph and the rash can spread very rapidly. Fortumately it is easily treated with an antibiotic.Children with eczema are more likelty to develop this skin infection. It now appears that your son has a recurrence of his impetigo. He should be seen by his doctor again and he probably will need another antibiotic. It will help your son's skin and prevent him from getting more skin infections in the future if you put a very small amount of Condy's Crystals in his bath water daily. The bath water must just be a very light pink colour. Condy's crystals may stain your bath so do not use too much.
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