![]() ![]() You have hundreds of lymph nodes located all around your body-some are deep in your body, like between your lungs or around your bowel, and others are closer to your skin.Īfter lymph fluid flows around your body, it dumps filtered fluid, salts, and proteins back into your bloodstream.ĭoucefleur // Getty Images Why do lymph nodes swell? They help fight infection by attacking and destroying germs (thanks to unique white blood cells called lymphocytes) that are carried to them by lymph fluid. These nodes are small structures that work as filters for harmful substances, the ACS explains. The job of your lymph system is to collect fluid, waste material, viruses, and bacteria that are in your tissues and send them to your lymph nodes. Your lymph system is a crucial part of your immune system. Lymph nodes are part of your lymphatic system, a network that routes lymph fluid throughout your body, according to the American Cancer Society (ACS). You might experience swollen lymph nodes-small, bean-shaped glands throughout your entire body-on your neck, in your armpits, under your chin, or around your groin, according to the Mayo Clinic.īut is it possible that your swollen lymph nodes are caused by something else, like allergies? If you’re a seasonal allergy sufferer, you may be wondering if allergens like pollen and grass could be behind your sudden swelling, especially in your throat area. ![]() ![]() This can stem from strep throat, an ear infection, mononucleosis, or even an infected tooth. Swollen lymph nodes are usually a telltale sign that your body is fighting off an infection, whether it’s from bacteria or a virus. ![]()
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