Other possible causes of swollen lymph nodes include: Common infections The most common cause of swollen lymph nodes is an infection, particularly a viral infection, such as the common cold. The site of the swollen lymph nodes may help identify the underlying cause. You may be more likely to notice swelling in certain areas, such as in the lymph nodes in your neck, under your chin, in your armpits and in your groin. Lymph nodes are located in groups, and each group drains a specific area of your body. 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. The lymphatic system includes the spleen, thymus, lymph nodes and lymph channels, as well as the tonsils and adenoids. The lymphatic system is part of the body's immune system, which protects against infection and disease. Seek immediate medical care if you're having difficulty swallowing or breathing.
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.Swelling that may be the size of a pea or kidney bean, or even larger in the lymph nodesĭepending on the cause of your swollen lymph nodes, other signs and symptoms you might have include:.When your lymph nodes first swell, you might notice: Swollen lymph nodes are a sign that something is wrong somewhere in your body. Lymph nodes that frequently swell are in this area, as well as in your armpits and groin area. Many lymph nodes are located in your head and neck region. Your lymphatic system is a network of organs, vessels and lymph nodes situated throughout your body. If an infection causes swollen lymph nodes, treatment depends on the cause. In some cases, the passage of time and warm compresses may be all you need to treat swollen lymph nodes. Common areas where you might notice swollen lymph nodes include your neck, under your chin, in your armpits and in your groin. They function as filters, trapping viruses, bacteria and other causes of illnesses before they can infect other parts of your body. Your lymph nodes, also called lymph glands, play a vital role in your body's ability to fight off infections.
Rarely, swollen lymph nodes are caused by cancer.
Swollen lymph nodes usually occur as a result of infection from bacteria or viruses. The inset shows three swollen lymph nodes below the lower jaw. One of the most common places to find swollen lymph nodes is in the neck.
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