<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing a disturbance of my sense of smell or taste. Can you tell me whats wrong with me?  <response>: You may be suffering from a decubitus ulcer, which is also known as a pressure ulcer or bed sore. These ulcers are caused by prolonged pressure on a particular area of the body, such as when lying in bed or sitting in a wheelchair for long periods of time. In severe cases, they can lead to tissue death and a loss of sensation in the affected area, including the sense of smell or taste. 