Impetigo
Read about impetigo, a common and highly contagious skin infection that causes sores and blisters. It's not usually serious and often improves within a week of treatment.
Read about treating impetigo. It often clears up without treatment after two to three weeks. However, you should visit your GP to rule out other infections.
When Marilyns son had to be treated for impetigo at the age of nine, she thought that would be the end of it.