Ear pain and swelling may be related to acute otitis externa, ear allergy, external auditory canal boils and other factors, which should be analyzed reasonably according to different situations.
1. Acute otitis externa: acute otitis externa, also known as diffuse otitis externa, is usually caused by viruses, bacteria and other pathogenic microorganisms infections, mostly associated with water in the ear canal due to swimming, rinsing of the outer ear, otitis media secretion impregnation and other factors, which can lead to congestion and swelling of the ear, showing redness, swelling, pain and other symptoms, accompanied by burning sensation.
2. Ear allergy: If the ear skin is sensitive, it is easy to be stimulated by dust, smoke, pollen and other allergens to cause allergic reactions, allergy can cause damage to the subcutaneous capillaries in the ear, making the ear congested and swollen and accompanied by a sense of pain.
3. External auditory canal boils: External auditory canal boils are caused by Staphylococcus aureus infection of the hair follicles in the cartilaginous skin of the external auditory canal, which can cause damage to the hair follicle tissues, and may result in pus and scabs, leading to swelling and pain in the ear.
When ear pain and swelling occurs, you should go to the hospital in time for examination and symptomatic treatment according to the specific condition.