This usually occurs on one side only, in the armpit of the arm that was injected. Swollen lymph nodes are also a common side effect of some COVID-19 vaccines. In young people, cancer is even less likely. Out of 100 people with swollen lymph nodes, only one, if any, is likely to have cancer. bacterial infections (such as tonsillitis).An infection on your leg can cause swollen glands in the groin. For example, if you have a sore throat from a virus, you may get swollen neck glands. Having swollen lymph nodes usually means that your immune system is fighting an infection in the area. There are many different causes of swollen lymph nodes. Swollen lymph nodes are also known as lymphadenopathy. You may have swollen glands in only one area of your body or in many different parts of your body at the same time. Glands in many different parts of the body can become swollen, but you’re more likely to feel them in your neck, armpits or groin.

Lymph nodes filter impurities from the lymph, which is a type of body fluid. Lymph nodes, also known as lymph glands or just ‘glands’, are part of the lymphatic system, which fights infection. Related information on Australian websites.Rarely, swollen lymph nodes can be caused by cancer.Most of the time, swollen lymph nodes go away on their own without any special tests or treatment.The most common cause of swollen lymph nodes is a viral infection.Most causes of swollen lymph nodes are not serious.Lymph nodes, also known as lymph glands, are part of the lymphatic system, which fights infection.

Swollen lymph node on back of neck