Yes, swollen lymph nodes can often go away naturally.
Understanding Lymph Nodes and Swelling
Lymph nodes are small, bean-shaped structures throughout the body that are part of the immune system. They filter lymph fluid and help fight infection. When lymph nodes swell, it's usually a sign that the body is fighting an infection or illness.
Why Lymph Nodes Swell
Lymph nodes swell as they react to infection. This swelling is due to an increase in immune cells and inflammatory substances within the node. Common causes of lymph node swelling include:
- Viral infections (like the common cold or flu)
- Bacterial infections (like strep throat)
- Other infections
Do Swollen Lymph Nodes Always Need Treatment?
According to the reference, swollen lymph nodes often resolve on their own: "Usually, swollen lymph nodes go away on their own. They may have grown larger in reaction to an illness, but after it has subsided, they should return to their normal size. But it can take two weeks or longer."
This means that if the swelling is due to a minor infection, the lymph nodes should return to their normal size as the infection clears up. This process can take a couple of weeks, or longer in some cases.
When to Seek Medical Attention
While most swollen lymph nodes are benign and resolve on their own, it's essential to consult a doctor if:
- The swelling persists for more than a few weeks.
- The lymph nodes are very large, hard, or fixed in place.
- You experience other symptoms like fever, night sweats, or unexplained weight loss.
- You have a history of cancer or immune system problems.
In these cases, the swollen lymph nodes could indicate a more serious underlying condition that requires medical evaluation.
