A sudden swelling below the earlobe may be caused by epidermal cysts, folliculitis, lymphadenitis and other diseases.
1. Epidermal cyst: Epidermal cyst is a kind of cyst containing keratin in the dermis, which is caused by skin injury or embryonic ectasia leading to the implantation of epidermal cells in the subcutis and the formation of cysts, and it can occur in any part of the body, and the epidermal cysts are rounded, and if the cysts are accompanied by infections, it will be accompanied by pressure pain.
2. Folliculitis: the cause is bacteria and other pathogens infected hair follicles, triggering inflammation, mainly manifested as red papules or pustules, accompanied by itching, tenderness and other symptoms, can appear in the earlobe below and other places, pressure and pain symptoms.
3. Lymphadenitis: Lymphadenitis is a benign lesion of lymph nodes caused by germs or bacterial infections, and the patient mainly manifests as enlarged and painful lymph nodes. If the ear or the surrounding organs suffer from inflammation, it will lead to inflammation of lymph nodes, and a swollen bag will be painful when pressed.
The sudden swelling of a bag below the earlobe can also be caused by other reasons, such as acute parotitis, etc. It is recommended to consult a doctor in a timely manner to clarify the cause of the targeted treatment.