Medically reviewed by William Truswell, MD A lump behind the ear can have many possible causes. The most common include ...

Infection: There are two main types of ear infections: middle ear behind the eardrum (often caused by an upper respiratory infection like a cold) and outer ear related to water exposure (also ...

However, a doctor may prescribe antibiotics if a person has a bacterial sinus infection. Ear congestion related to sinusitis or viral infections, such as a cold or flu, will typically go away once ...

This helps to reduce swelling and prevent infection. It makes it effective for treating pimples. You can add water with turmeric and apply it to the lump.