It isn’t uncommon for lymph nodes to enlarge in the approximate location of a trigger (for example, in the neck when you have a cold).Ĭertain locations are more concerning: lymph nodes right above the collarbone, inside the elbow, or behind the knee require a call to your doctor. If they are fixed in place or hard, call your doctor. In general, inflammatory nodes will move around under your fingers and feel rubbery. During an infection, they can increase to 1-2cm. ![]() Normal nodes are typically 3-8mm in diameter. These are the things you want to pay attention to: There are some pieces of information that are particularly helpful when trying to determine the cause (or the seriousness) of a swollen lymph node. Particularly in younger children who have robust immune responses, it is not unusual to have enlargement of lymph nodes around the head and neck in association with common daycare respiratory viruses. This is partly because they have slightly larger nodes, and also because they have less subcutaneous tissue (such as fat!) between the nodes and the skin.Ĭommon locations that parents notice these nodes are around the head and neck, under the arms, or in the groin. Nodes in children are usually more noticeable than in adults even at baseline. Fun Fact:Tonsils are also made of lymph tissue, which is why they can get larger when you are sick After the illness or infection is over, they return to their original size. Seek immediate medical attention – your child will need antibiotics and might need the infection drained.They are found in clusters and get bigger when they respond to environmental or other immune triggers. If this has happened, the gland will be large, the skin around it will be inflamed, and it will be very painful, especially when you press on it. In rare cases, a lymph node itself becomes infected by bacteria. If your child’s lymph nodes are swollen because of a bacterial infection, your child might need antibiotics. If your child’s swollen lymph nodes are caused by a viral infection, all you can do is treat the symptoms of the virus, like the sore throat and fever. Treatment will depend on what’s causing the swollen lymph nodes.
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