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Lymphadenopathy is a condition where the lymph nodes, small round organs found all over the body, begin to swell, which could cause painful lump behind ear. The swelling is caused by accumulation of immune cells within the lymph node.
3 doctors agreed: Likely infection: Pain such as the one you are reporting can occur by a nearby infection such as sinusitis, sore throat, skin infection etc. If such complaints are experienced then one should definitely see their physician to be worked up the various causes. Swollen glands behind ears in children - Pain behind the ear and in upper jaw with swollen glands what causes this? Likely infection. Pain such as the one you are reporting can occur by a nearby infection such as sinusitis, sore throat, skin infection etc.