Medically reviewed by Sukaina Hasnie, MD Key Takeaways A lump behind the ear can be caused by swollen lymph nodes, which are common and usually harmless.Most lumps behind the ear are benign and can be ...

It often starts as a sore spot you assume is a zit, ingrown hair, or minor irritation. Then it gets worse. Sitting becomes uncomfortable. Pressure builds. Sometimes there’s swelling, drainage, or even ...