I've had a swollen lymph node behind my right ear for 11 months now. It still hasn't gone away. Randomly it gets bigger but then goes back to size. Why?

I may. Represent infection in the ear, or the scalp. A painful node is usually an infected node. Some manage by "empiric" antibiotics, but a careful exam for source, possible aspiration for culture may yield results. Stabe nodes can be biopsied or removed but chance of finding lymphoma or cancer as quite improbable.

Related Questions

I've had a swollen lymph node behind my right ear for 13 months. It is hard. Randomly, it gets bigger and then goes back to size. Havent been sick. Why?

Lymphadenopathy. The only way to answer this definitively is to have the node biopsied. On the other hand it sounds as if the most probable scenario is that this is a node doing what it is trained to do, fighting inflammation and you should be fine. You could let your family doctor take a look at it and they might be able to reassure you. Best wishes. Read more...
Lump behind ear. Could mean a lot of things. Would first have your doctor check out your ears, nose and throat for possible ear or sinus/throat infection. It might not even be a node. Other considerations are cysts, sterile abscess or lipoma, benign or malignant tumors can also present like this. A doctor should be able to make that distinction by proper physical exam and order further testing as needed. Read more...