Symptoms of left ear pain may be related to acute diffuse otitis externa, external auditory canal boils, herpetic tympanitis and other diseases, not a harbinger of any disease.
1. Acute diffuse otitis externa: when bacterial or viral infection occurs in the left ear under the action of sewage irritation, acute and chronic purulent otitis media, trauma and adverse physical and chemical factors, resulting in a burning sensation in the ear and mild pain, which is gradually aggravated with the development of the disease, and even aggravated by restlessness in sitting and lying down, and chewing or talking.
2. External auditory canal boil: It occurs in the cartilage part of the external auditory canal and is an acute confined purulent lesion of the skin of the external auditory canal, also known as confined otitis externa. It is caused by staphylococcus and other bacterial infections in the skin follicles or sebaceous glands of the cartilage of the external auditory canal. The causative factors are similar to those of acute diffuse otitis externa, and may be related to this disease when there is severe pain in the left ear.
3. Herpetic tympanitis: it may be caused by influenza virus, poliovirus and other infections after the decline of resistance, when there is a sudden sharp pain in the deep part of the left ear, accompanied by a feeling of stuffiness and swelling of the ear, and there is a mild hearing impairment, it may be triggered by this disease.
Left ear pain may also have other causes such as acute otitis media, etc., can actively seek medical treatment, systematic examination, in order to clarify the diagnosis and causes.