Finding a new lump or swelling in your neck can be concerning. In many cases, the swelling is related to an infection or inflammation nearby, such as a cold, sore throat, ear infection, dental problem, or skin infection.
However, not every neck lump is a swollen lymph node, and the location, size, or tenderness alone cannot tell you what is causing it. Lymph nodes in the neck are part of your immune system and can become enlarged when your body responds to an infection or another health condition.
If a lump persists, grows, feels hard or fixed, or occurs with other concerning symptoms, a primary care evaluation can help determine what should happen next.
What Are Lymph Nodes, and Why Can They Swell
According to MedlinePlus, Lymph nodes are small structures located throughout the body. They are part of the lymphatic and immune systems and help the body recognize and respond to germs and other foreign substances.
Lymph nodes are grouped in the neck, including along the sides and front, under the jaw and chin, and behind the ears. When these lymph nodes enlarge, people often call them swollen glands. The medical term for enlarged lymph nodes is lymphadenopathy.
A swollen lymph node is not necessarily the same as every type of neck lump. Other structures and conditions can cause a lump or swelling in the neck. That is why an examination may be necessary when the cause is unclear.
Lymph nodes often become swollen when the immune system responds to something nearby. For example, an infection affecting the throat, ears, teeth, gums, or skin can cause nearby lymph nodes to become enlarged.
Common Reasons for Swollen Lymph Nodes in the Neck
Nearby Infections and Inflammation
Infections are among the most common reasons for swollen lymph nodes in the neck. The lymph nodes may respond to an infection in an area they drain.
Common examples include:
- Common cold and other respiratory infections
- Flu
- Sore throat or tonsillitis
- Ear infection
- Dental infection or an abscessed tooth
- Gum inflammation
- Mouth sores
- Skin infections
- Mononucleosis
- Certain sexually transmitted infections
- Tuberculosis in some cases
Recent symptoms can provide useful clues during an evaluation. For example, someone with a recent cold and a tender area under the jaw may have lymph node swelling associated with that illness. Similarly, tooth pain or gum swelling may point
However, these symptoms do not confirm the cause. A healthcare professional may consider your symptoms, medical history, physical examination, and how the swelling has changed over time.
Other Causes That Need a Clinician’s Assessment
Infections are common, but they are not the only possible reason for enlarged lymph nodes.
Certain immune or autoimmune conditions can cause lymph node swelling. Some medications can also cause lymph nodes to become enlarged. Less commonly, swollen lymph nodes can be associated with conditions such as lymphoma, leukemia, or other cancers.
This does not mean that every persistent or painless lymph node is cancer. Swollen lymph nodes have many possible causes, and most cases are related to infections or other noncerous conditions.
Instead of trying to determine the cause based only on how a lump feels, it is better to have persistent or concerning swelling evaluated by a healthcare professional.
What Details Should You Track Before Your Visit
If you notice a neck lump, keeping track of a few details can make your appointment more useful.
Consider noting:
- When you first notice the swelling
- Whether it appeared suddenly or gradually
- Whether it has become smaller, larger, or stayed about the same
- Whether it is painful or tender
- Any recent cold, sore throat, ear infection, or dental problem
- Fever or other recent illness
- Night sweats or unexplained weight changes
- Current medications
- Any other new symptoms
You do not need to repeatedly press, squeeze, or measure the area. Frequent touching can make the area more irritated and may make it harder to tell what is actually changing.
Instead, focus on the overall pattern and bring your observations to your appointment.
When Should You Arrange a Primary Care Appointment
Many swollen lymph nodes decrease in size as the underlying illness improves. However, you should arrange a medical evaluation if the swelling does not improve, continues to enlarge, or has features that need further assessment.
MedlinePlus recommends contacting a healthcare professional when lymph nodes do not get smaller after several weeks or continue to grow. It also identifies hard, irregular, or fixed lymph nodes, as well as symptoms such as fever, night sweats, or unexplained weight loss, as reasons to seek medical attention.
Healthline similarly advises a medical evaluation if swollen lymph nodes continue to grow or do not decrease after about two weeks, particularly if they feel hard or do not move.
Timing can vary depending on the person’s age, symptoms, medical history, and suspected cause. If you are unsure how long to wait, contacting your primary care provider is a reasonable next step.
A persistent neck lump should not automatically be assumed to be an enlarged lymph node. An examination can help determine whether the swelling appears to involve a lymph node or another structure.
At Zenith Primary & Urgent Care, a primary care visit can help evaluate a new, persistent, or unexplained neck lump and determine whether further evaluation is needed. Bring a current list of medications and supplements, relevant medical records and any questions or concerns you would like to discuss.
Avoid repeatedly pressing or measuring the lump, as this can irritate the area. Instead, focus on any changes you naturally notice and share them with your healthcare provider.
Zenith Primary Care serves patients throughout Marlborough, Hudson, Southborough, Northborough, Westborough, Framingham, Berlin, Bolton, and surrounding MetroWest communities. We are accepting new primary care patients.
If you have a persistent or unexplained neck lump or would like to discuss swollen lymph nodes in the neck, you call us at 617-500-7933 or schedule an appointment here.
Frequently Asked Questions
Can a cold cause swollen glands in the neck?
Yes. Colds and other respiratory infections can cause lymph nodes in the neck to become enlarged as the immune system responds to the infection. Other infections involving the ears, throat, mouth, teeth, or skin can also cause swollen lymph nodes.
Does a painful lymph node mean it is harmless?
Not necessarily. Tender or painful lymph nodes can occur with infections, but tenderness alone cannot determine the cause of a lump. If the swelling persists, grows, feels hard or fixed, or occurs with other concerning symptoms, it should be evaluated by a heathcare provider.
How long should I watch a swollen lymph node?
There is no single timeframe that applies to every person or every cause. MedlinePlus advises contacting a healthcare provider when lymph nodes do not become smaller after several weeks or continue to grow.
Should I massage a swollen lymph node?
It is better not to repeatedly press, squeeze, or massage a swollen area in an attempt to diagnose or treat it. Instead, keep track of changes and discuss the lump with your healthcare provider if it persists, grows, or is associated with other symptoms.
