Internal shingles, or zoster sine herpete (ZSH), is a rare condition caused by the varicella-zoster virus (VZV) and presents with typical shingles symptoms but without the characteristic skin rash.

You can get shingles more than once, though it is rare. Though experts aren't sure why, the virus can reactivate in your body a second or third time. People with a compromised immune system from old ...