These specialized cells filter your lymphatic fluid as it travels through your body and protect you by destroying invaders. Inside lymph nodes are a combination of different types of immune system cells. Lymph nodes are small, round or bean-shaped clusters of cells. Seek immediate medical care if you're having difficulty swallowing or breathing. ![]() Are accompanied by persistent fever, night sweats or unexplained weight loss.Feel hard or rubbery, or don't move when you push on them.Continue to enlarge or have been present for two to four weeks.See your doctor if you're concerned or if your swollen lymph nodes: Some swollen lymph nodes return to normal when the underlying condition, such as a minor infection, gets better. Hard, fixed, rapidly growing nodes, indicating a possible cancer or lymphoma.When this occurs, it may indicate an infection, such as HIV or mononucleosis, or an immune system disorder, such as lupus or rheumatoid arthritis General swelling of lymph nodes throughout your body.Runny nose, sore throat, fever and other indications of an upper respiratory infection. ![]()
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