👉 Endotrachelitis is a type of infection that occurs in the ear, typically affecting the middle ear. It can be caused by various factors such as an allergy to certain substances or a bacterial infection. The symptoms of endotrachelitis include fever, pain or swelling in the ears, and difficulty hearing. If left untreated, it can lead to complications such as meningitis. Treatment involves antibiotics to clear the infection and manage the symptoms.