Common causes of swollen and blocked ear canals include cerumen impaction, boils on the external auditory canal, and secretory otitis media.
1. Cerumen impaction: Excessive cerumen secretion or impaired cerumen discharge from the ear canal can lead to cerumen impaction, which in severe cases can lead to a stuffy feeling in the ear canal and hearing loss.
2. External auditory canal boils: External auditory canal boils are often caused by Staphylococcus aureus. Typical symptoms include boils and ear pain, etc. When external auditory canal boils are large in size, they can lead to swelling and blockage of the ear canal.
3. Secretory otitis media: Secretory otitis media is associated with a variety of reasons such as blockage of the eustachian tube, infections, and body immunity, and is often accompanied by hearing loss, occlusion in the ear, or a feeling of swelling and other symptoms.
Swelling and blockage of the ear canal is associated with a variety of diseases. After symptoms appear, it is recommended to seek medical treatment as soon as possible to clarify the cause of the disease and treat the symptoms in a timely manner.