What is the function of lymph nodes?

Lymph nodes filter substances that travel through the lymphatic fluid, and they contain lymphocytes (white blood cells) that help the body fight infection and disease. There are hundreds of lymph nodes found throughout the body. They are connected to one another by lymph vessels.

Where are lymph nodes commonly located?

Many lymph nodes are located in your head and neck region. Lymph nodes that frequently swell are in this area, as well as in your armpits and groin area.

Where do lymph nodes drain?

It surrounds all body tissues. Extra fluid from tissue in the body drains into and flows through small lymph vessels. This fluid is filtered through the lymph nodes, and drains back into the bloodstream. There are lymph nodes throughout your body, but mainly in the neck, armpits, groin and tummy (abdomen).

Where are the biggest lymph nodes?

Lymph nodes are located throughout the body but the largest groupings are found in the neck, armpits, and groin areas.

What helps lymph nodes fight infection?

If your swollen lymph nodes are tender or painful, you might get some relief by doing the following:

  1. Apply a warm compress. Apply a warm, wet compress, such as a washcloth dipped in hot water and wrung out, to the affected area.
  2. Take an over-the-counter pain reliever.
  3. Get adequate rest.

Can you live without lymph nodes?

When lymph nodes are removed, it can leave the affected area without a way to drain off the lymph fluid. Many of the lymph vessels now run into a dead end where the node used to be, and fluid can back up. This is called lymphedema, which can become a life-long problem.

Are lymph nodes painful?

They can be painful to the touch, or they can hurt when you make certain movements. Swollen lymph nodes under the jaw or on either side of the neck may hurt when you turn your head in a certain way or you’re chewing food.