Ear pain can be a symptom of diseases such as otitis media, otitis externa, and boils on the external auditory canal, and the specific disease needs to be examined in the hospital to determine this. You can’t tell which disease is the precursor of an earache. 1. Otitis media: Otitis media is usually caused by infection, Eustachian tube dysfunction, etc. When the tympanic membrane of the patient is acutely congested, the ear will have obvious pain, and when there is purulent secretion in the ear, it will have severe pain, and some of the patients will also have hearing loss, tinnitus, and a feeling of stuffiness and congestion in the ear. 2. Otitis externa: Otitis externa is mostly related to bad ear habits, skin damage to the external auditory canal, local irritation and other factors, at the initial stage of the onset of the patient’s ear will appear burning discomfort, with the development of the disease, the patient’s ear began to appear distension and pain, and some patients will also have symptoms such as swelling, fever, headache and other symptoms of the ear canal. 3. Boils on the external auditory canal: Boils on the external auditory canal are generally associated with decreased immunity, incorrect ear-pulling, etc. Patients will experience severe pain in the ear, which will be aggravated by chewing or opening the mouth, and headaches will also occur in more serious cases. There are many causes of ear pain, you should go to the hospital in time, after diagnosis, under the guidance of the doctor to choose the appropriate treatment.