Lymph nodes are part of the immune system, responsible for filtering and removing harmful bacteria and viruses. They are found in various areas throughout the body, including behind the ears.
Swollen lymph nodes may be caused by:
Infections
Skin conditions
Dental issues
Cancer
Treatment depends on the underlying cause of the swelling.
4. Infections
A painless lump behind the ear could originate from d:ead cells or harmful bacteria accumulating in the lymph nodes, leading to infection. Infections may be responsible for diseases such as chickenpox, measles, or pharyngitis. If left untreated, the lumps behind the ear or neck may progress to mastitis. Early hospital treatment is advised to prevent serious complications.
5. Mastoiditis
Mastoiditis is a bacterial infection that affects the mastoid bone and can cause a painless lump behind the ear. The mastoid is a part of the skull located behind the ear and has a honeycomb-like structure where infections can spread through its air spaces. This condition is more common in children than in adults.
Mastoiditis is a serious infection requiring medical attention. Other symptoms accompanying a lump behind the ear include:
Pus drainage
Hearing loss
Fever
Fatigue and irritability
Headache
Those who suffer from frequent or severe ear infections are at higher risk. Treatment typically includes antibiotics or, in severe cases, surgery to drain or remove the infection.
6. Sebaceous Cyst
These cysts can form from damaged sebaceous glands or malfunctioning oil glands, disrupting the breakdown process. This may result in the formation of cysts or lumps behind the ear or in the neck area.
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