I have blister rash on my left arm, a little on left back, and right arm. now my kids have the chickenpox. do i have shingles? i went to urgent care and the said it is not shingles because it is also on my right arm. but it looks like it and it hurts and

Chickenpox: Shingles usually follows the distribution of one dermatome. Shingles can cause fairly dramatic pain which is followed within a few days by a rash. It usually appears in a particular location on one side of the body. The rash burns intensely, itches & is made up blisters that open up & crust over. A person could also have a fever, chills, headache and generalized aches & pains with fatigue.