Lump in the Neck: Causes of Swollen Lymph Nodes and How to Deal with Them

- Lymph nodes, also known as lymph glands, are part of the lymphatic system responsible for fighting infections. They act as a filter for a type of body fluid called "lymph"; when lymph fluid passes through these nodes, they purify it from waste and harmful germs.

Swelling of the lymph nodes indicates an enlargement of these glands, and this condition is medically known as lymphadenopathy. There are many different causes of swollen lymph nodes, most of which are not serious.

Typically, swollen lymph nodes indicate that the immune system is fighting an infection in that area. For example, if a person has a sore throat caused by a virus, the glands in the neck may swell; an infection in the leg can lead to swelling of the glands in the groin.

Causes of swollen lymph nodes include the following: The Australian Healthdirect website explains that among every 100 people with swollen lymph nodes, only one person is likely to have cancer. Swollen lymph nodes are also a common side effect of some COVID-19 vaccines.

This swelling usually occurs on only one side, specifically in the armpit area of the arm where the injection was given. This is not dangerous and usually resolves on its own within a few weeks.

The symptoms associated with swollen lymph nodes can cause glands in different parts of the body to swell, but a person is more likely to feel this swelling in the neck, armpits, or groin. The swelling may be limited to one area of the body or involve several areas at once.

When lymph nodes swell, a person may feel a lump under the skin. Other symptoms may appear depending on the underlying cause of the lymph node swelling; for example, some types of infections may be accompanied by a feeling of malaise or fever.

The treatment for swollen lymph nodes depends on the underlying cause. Swelling of lymph nodes caused by a viral infection does not require any treatment; the glands gradually return to their normal size, which may take a few weeks or more.

In the case of a bacterial infection, the specialist doctor may prescribe antibiotics. If it is due to cancer, it is essential to consult an oncologist for appropriate treatment.

In some cases, the cause of swollen lymph nodes may not be clear; if there are no concerning symptoms indicating a serious illness, the doctor may recommend waiting a few weeks to monitor whether the glands will return to their normal state on their own.