Lymphadenopathy
Lymphadenopathy: Understanding Swollen Lymph Nodes
Lymphadenopathy refers to the swelling or enlargement of lymph nodes—small, bean-shaped glands that play a crucial role in the immune system. These nodes are found throughout the body, including the neck, armpits, groin, and abdomen. This condition is relatively common and is typically caused by infections, although other factors can contribute.
Common Causes of Lymphadenopathy
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Infections
Viral infections, such as the common cold, flu, or strep throat, are the most frequent causes. -
Autoimmune Diseases
Conditions like lupus or rheumatoid arthritis can trigger lymph node swelling. -
Malignancies
Although rare, cancers such as lymphoma or leukemia may present with swollen lymph nodes. -
Medications
Certain drugs may cause lymph node enlargement as a side effect.
Symptoms of Lymphadenopathy
The primary symptom is swollen or enlarged lymph nodes, which may be accompanied by:
- Tenderness or pain in the affected area
- Redness or warmth around the nodes
- Fever
- Sore throat
- Runny nose
Diagnosing Lymphadenopathy
A healthcare provider will typically evaluate lymphadenopathy through:
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Physical Examination
Assessing the size, texture, and location of the swollen nodes. -
Medical History
Reviewing recent illnesses, medications, and symptoms. -
Diagnostic Tests
Blood tests, imaging studies (e.g., CT scans or ultrasounds), and, in some cases, a lymph node biopsy may be required to determine the cause.
Treatment Options
Treatment varies based on the underlying cause:
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Infections
Minor infections often resolve on their own. Bacterial infections may require antibiotics, while antiviral medications can address viral causes. -
Autoimmune Conditions
Treating the primary condition, such as lupus or rheumatoid arthritis, can reduce swelling. -
Cancer
If malignancy is detected, targeted cancer treatments will be necessary.
For symptom relief, over-the-counter pain medications, rest, and warm compresses may help.
When to Seek Medical Attention
Consult a healthcare provider if swollen lymph nodes:
- Persist for more than two to four weeks
- Continue to enlarge
- Are accompanied by other concerning symptoms, such as unexplained weight loss or persistent fever
Early evaluation ensures appropriate treatment and helps rule out serious conditions.
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