 [ Symptoms ] my 3 yr old has been diagnosed with shingles he has never been exposed to chickenpox and has been vaccinated how is this possible sores started on the back of his neck itchy then started down the left side of his back also one on the right shoulderblade and on the the left side of his face near the ear there is no red rash or fluid  filled blisters just scabby itchy sores [ Disease ] my son had a strange rash like this once and our dr said that he must have encountered a plant or other such thing that he was allergic to while playing since a farm has thousands of things to get into we never did find out what the allergy was the rash was head to toe and he looked like he had a massive sunburn the dr prescribed children is benedryl and the rash cleared right up benedryl is over the counter and is dosed according to the package try it out and see if you have the kind of luck we had with it