Leukemia: This is a cancer of your blood and bone marrow, which can also affect your lymph system.Lymphoma: This is a type of cancer that starts in the lymph system or in a lymph node.In rare instances, swollen lymph nodes may be a sign of: Swollen lymph nodes can occasionally be caused by cancer - but lymphadenopathy is much more likely to be caused by an infection. Sarcoidosis: This disease causes groups of inflammatory cells (granulomas) to grow in different parts of your body.Lupus: This autoimmune disease causes inflammation in your organs, skin, and joints.Rheumatoid arthritis: This autoimmune disease causes inflammation in your joints and sometimes other organs.Certain medications: Phenytoin (Dilantin) and malaria prevention medications are two examples of drugs that can cause swollen lymph nodes.Injury: As your body works to heal a wound and prevent an infection from taking hold, your nodes near the injury may swell.You may develop lymphadenopathy from other causes as well, ranging from injury to autoimmune diseases. Some of the many infections that may cause your nodes to swell include: For example, the nodes in your neck will swell when you have a throat infection. A lot of times, the nodes that swell will be close to the infection. Most cases of swollen lymph nodes are caused by viruses or bacteria. The following are common causes of swollen lymph nodes, but there are many other potential causes that your doctor can identify. More rarely, lymph nodes can swell because of injury, other diseases, or cancer. Another common cause is a bacterial infection like strep throat. The most common cause of swollen lymph nodes is a viral infection like the common cold or flu. hard or rubbery nodes that don’t move around when you push on them.nodes that are swollen for more than two weeks.swollen lymph nodes throughout your body, such as on the neck, groin, and armpits.You should also make an appointment with your doctor if you have any of these symptoms: Once the infection clears up, your lymph nodes should go back to normal.Ĭall your doctor right away if you have difficulty swallowing or breathing. If your lymph nodes are swollen, you may also experience symptoms of an infection. redness and warmth of the skin over the swollen nodes.tenderness or soreness when you touch them. pea- or bean-sized lumps under the skin.When this happens, you may notice the following: You can feel and sometimes even see these nodes when they enlarge. Groups of nodes near the skin can be felt in your neck, armpits, back of your head, belly, and groin. Of your hundreds of lymph nodes, you can only feel some of them.
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