My 2 year old grand son developed leg pain with weight bearing Friday am , was brought to clinic and xray negative, NP comented, look, there are some bug bites. sataurday, child woke with increased rash and pain with weight bearing. Sunday woke with shingles type red moist blistery rash lower leg....we went to er NP dx shingles; dr statates dermatitis....prednisone oral 2x daily and to check with his pediatrician in am...do you think shingles could cause this much pain with standing??