What should I do if lymph nodes behind the ear and in the neck are swollen?

Patient's question:

I always feel a headache, and I noticed that the swelling in that area has been getting bigger and extending from behind the left ear to the neck. Now, even without touching it, it's a bit painful. The doctor checked and said it's lymph node enlargement. Could you please tell me how to treat lymph node enlargement?

Doctor's answer:

Most have obvious infection foci, often accompanied by local lymph node enlargement, pain, and tenderness, with a diameter generally less than 2-3 cm. Tuberculous lymphadenitis is characterized by symptoms such as fever, sweating, fatigue, and elevated erythrocyte sedimentation rate, and is more common in young and middle-aged adults. The quality of the lymph nodes varies, some being softer while others are harder, and they may be adhered to each other and to the skin.
Malignant lymphoma, on the other hand, typically presents with painless lymph node enlargement that progresses gradually, ranging in size from beans to jujubes, with a medium degree of hardness. These nodes generally do not adhere to the skin and remain movable in the early and middle stages. In the late stage, the lymph nodes may grow or fuse into large clusters with a diameter of over 20 cm, infiltrating the skin and causing ulcers that persist for an extended period.

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