28+ Preauricular Lymph Nodes Swelling Images. Their afferents drain multiple surfaces, most of which are lateral in origin. These tiny nodes play a vital role in the immune system.

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Swollen lymph nodes are a sign that something is wrong somewhere in your body. To treat swollen lymph nodes you must treat the cause, if it is a bacterial infection, antibiotics will usually be prescribed, if the infection is viral, you can be prescribed drugs which manage your symptoms, but will have to wait for it to resolve on its own. Certain infections, diseases, and medications can cause this type of swelling.

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The swelling of lymph nodes is called lymphadenopathy. Lymph nodes are there to collect and eliminate infections from the body. In the preauricular area, things like an upper respiratory infection, conjunctivitis and ear infection can enlarge these nodes. There are about 600 lymph nodes in the body, some of which are mentioned below: