If you've noticed tender areas on your body when you're sick, you are more than likely experiencing tender lymph nodes. Lymph nodes are part of the lymphatic system which is a component of the immune system. Swollen lymph nodes may indicate an infection or illness. The most common areas where you will notice swelling of the lymph glands is in the neck, under the chin, in the armpit and the groin. A cluster of lymph nodes is also located in the chest and abdomen. There are several causes of swollen lymph nodes.
The most common cause of swollen lymph nodes is the cold or flu. The cold and flu viruses will overwhelm the lymph glands. This leads to inflammation, and this is the reason why you will feel tenderness throughout your body, especially where lymph glands are located. Most healthy people will recover with a little rest and plenty of fluids.
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