Lymph nodes are located in various parts of the body including in the neck, armpits and the area of the groin. As a component of the body’s immune system, these tiny glands trap foreign and dangerous matter that is found in lymph fluid. When an individual has swollen lymph nodes, they are usually only swollen in one area of the body. This helps physicians narrow down the cause of the swelling. Typical causes for swollen lymph nodes around the neck area include the common cold, a sore throat, an injury or an infection. Swollen glands in the groin area are usually caused by an infection. Individuals who have enlarged lymph nodes in the area of the armpit may have lymphoma or breast cancer.
In addition to being enlarged, a person’s lymph nodes may also be painful or sore to the touch when they are swollen. Additional symptoms may include a fever and waking up in a sweat in the middle of the night. If the lymph nodes are swollen in various places on the body, instead of in one generalized area, these symptoms are often due to an infection or a disorder of the immune system. If the lymph nodes become hard or if they continue to grow, this could be a sign of a tumor growth. Individuals should visit a physician if the lymph nodes remain swollen for over two weeks.
When treating swollen lymph nodes, the cause of the swelling must first be determined before beginning the treatment. A physician will examine the lymph nodes and perform various tests that may include blood tests, x-rays and a biopsy of the lymph nodes if the signs indicate cancer. When individuals have an infection, a physician will order antiviral or antibiotic drugs. If an infection has caused an abscess, a physician will cut open the abscess and allow it to drain. If the lymph nodes are swollen due to cancer, the treatments include chemotherapy, radiation and surgical procedures.