Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Herpes Zoster Oticus ?
    ### Response:
    Herpes zoster oticus, also called Ramsay Hunt Syndrome or Ramsay Hunt Syndrome type II, is a common complication of shingles. Shingles is an infection caused by the varicella-zoster virus, which is the virus that causes chickenpox. Shingles occurs in people who have had chickenpox and represents a reactivation of the dormant varicella-zoster virus.
    