 [ Symptoms ] can shingles rash not have blisters my boyfriend has had shingles before but this rash he has is very large from his groin to all the way down his inner thigh on one side it is red and blotchy on the outside of the rash but the red blotches on the inside are very light no blisters and apparently has had this rash for over 6 months [ Disease ] yes it does not always consist of blisters