Can shingles be located in a cluster on the inside of your upper arm?

No, shingles cannot be located on the inside of your upper arm. Shingles is caused by the varicella-zoster virus, which affects nerve cells and skin. The virus usually presents as a painful rash on one side of the body. The rash typically appears on the torso, back, or face, but it can also occur in other areas, including the arms and legs. However, it does not commonly affect the inside of the upper arm.