what do swollen glands indicate
Lymph nodes often swell in one location when a problem such as an injury, infection, or tumor develops in or near the lymph node. Which lymph nodes are swollen can help identify the problem.1  The glands on either side of the neck, under the jaw, or behind the ears commonly swell when you have a cold or sore throat.ymph nodes often swell in one location when a problem such as an injury, infection, or tumor develops in or near the lymph node. Which lymph nodes are swollen can help identify the problem.