Swollen lymph nodes in neck one side3/2/2023 Supraclavicular lymph nodes that are positioned just above the collar bone become swollen mostly because of viral or bacterial infection but swollen and painful lymph nodes in this region of the body can be also the warning sign of cancer. Swollen lymph nodes may occur because of skin conditions such as acne, impetigo, and sebaceous cyst as well. However, a painless enlargement of lymph nodes commonly develops because of cancer or a non-cancerous tumor that has formed near a lymph node.Ĭommon causes of swollen lymph nodes include: strep throat, the common cold, mononucleosis, flu, ear infection, gingivitis, tonsillitis, tuberculosis, mouth sores, tooth problem, toxoplasmosis, rubella, inflammation of the epiglottis, and sexually transmitted disease such as HIV or syphylis. In such cases, the swelling of the lymph nodes occurs suddenly and it is painful. In this area, lymph nodes commonly swell due to an injury like a cut or bite, and because of viral and bacterial infections. Swollen lymph nodes in the neck can result from a number of causes. The medical term for the neck is the cervix, and thus the lymph nodes of the neck are called cervical lymph nodes. In the neck area, lymph nodes are located behind the ears, under the jaw and chin, and in the back of the head. Causes of Swollen Lymph Nodes in the Neck on One Side Lymph nodes can become swollen due to infections, inflammatory condition, abscesses, or even benign or malignant tumors. Swollen lymph nodes indicate the presence of some sort of health problem, and people who notice that the lymph nodes in a particular part of their body are swollen or painful should always seek medical attention. Healthy lymph nodes are not tender or painful. Lymph nodes also absorb essential nutrients. Lymph nodes have an important function: to filter lymph fluid and trap viruses, bacteria, cancer cells, and other pathogens, and to eliminate them from the body. The lymph nodes are mainly found in the neck, armpits, and the groin. They are located in many different areas of the body. Lymph nodes are small glands that are part of the lymphatic system. Swollen Lymph Nodes in the Neck on One Side Lymph Nodes: An Overview
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