The rash of shingles, which usually blisters, can be intensely painful. Are you over the age of 60? Or are your parents? Then you need to know about the shingles vaccine. As a dermatologist, I've treated a wide variety of skin conditions. One of the most painful is shingles. Shingles is also known as herpes zoster. It's an infection that's due to the chickenpox virus, also known as the varicella zoster virus. Once you've had chickenpox, the triggering virus lays dormant