When you rub your ear and stumble upon a , it could be something harmless, or a symptom of an underlying condition. It can come in any size, might vary in texture and tenderness, and at times, could result from infections, inflammatory conditions, or can be due to other health issues. In most cases, these lumps are curable, and there are treatments to get rid of them. There are also ways to prevent them. In this blog, let's look at the causes, treatment options, and preventive measures for a lump behind the ear.