In this video, Dr. Nishi Gupta, Head department of ENT, Dr. Shroffs Charity Eye Hospital, Delhi, will talk about the complications if surgery in not done for unsafe chronic suppurative otitis media (CSOM) or cholesteatoma. The ear lies very close to the brain and there are high chances that the ear infections can travel towards brain. This could be life threatening to the patient. But before this, patient suffers complete hearing loss and a deviation of the angle of mouth is present. Still, if the cholesteatoma is ignored, it can lead to serious complications.