Lymphadenitis
Lymphadenitis is a medical condition characterized by the inflammation of lymph nodes, which are small, bean-shaped organs located throughout the body that play a crucial role in the immune system.
Causes
Lymphadenitis can be caused by a variety of factors, including:
- Bacterial infections, such as strep throat or tuberculosis
- Viral infections, such as mononucleosis or HIV
- Fungal infections, such as histoplasmosis
- Parasitic infections, such as toxoplasmosis
- Cancer, including lymphoma and leukemia
- Autoimmune disorders, such as rheumatoid arthritis or lupus
Symptoms
The symptoms of lymphadenitis can vary depending on the underlying cause, but may include:
- Painful or tender lymph nodes
- Swollen or enlarged lymph nodes
- Redness or warmth over the affected area
- Fever
- Chills
- Fatigue
- Loss of appetite
Diagnosis
The diagnosis of lymphadenitis typically involves a physical examination, medical history, and laboratory tests, such as:
- Complete blood count (CBC)
- Blood cultures
- Imaging studies, such as X-rays or CT scans
- Lymph node biopsy
Treatment
The treatment of lymphadenitis depends on the underlying cause and may include:
- Antibiotics for bacterial infections
- Antiviral medications for viral infections
- Anti-inflammatory medications to reduce pain and swelling
- Cancer treatment, such as chemotherapy or radiation therapy, if the lymphadenitis is caused by cancer
- Surgery to remove infected or enlarged lymph nodes
Complications
If left untreated, lymphadenitis can lead to complications, such as:
- Abscess formation
- Cellulitis
- Sepsis
- Lymphatic obstruction
Prevention
Preventing lymphadenitis involves practicing good hygiene, getting vaccinated against infectious diseases, and seeking medical attention if symptoms persist or worsen over time.
Frequently Asked Questions (FAQs)
What is Lymphadenitis?
Inflammation of lymph nodes, typically caused by infection.
What are common causes of Lymphadenitis?
Bacterial or viral infections, such as strep throat or cat scratch disease.
What are symptoms of Lymphadenitis?
Swollen, tender, and painful lymph nodes, often with fever and fatigue.
How is Lymphadenitis diagnosed?
Physical exam, medical history, and possibly imaging tests or biopsy.
Can Lymphadenitis be contagious?
Possibly, depending on underlying cause, such as bacterial or viral infection.
What is treatment for Lymphadenitis?
Typically antibiotics for bacterial infections, or supportive care for viral infections.
Can Lymphadenitis be prevented?
Possibly, through hygiene practices and avoiding contact with infected individuals.
What are potential complications of Lymphadenitis?
Abscess formation, cellulitis, or spread of infection to other areas.
How long does Lymphadenitis last?
Variable, depending on underlying cause and effectiveness of treatment.
When should I seek medical attention for Lymphadenitis?
If symptoms worsen, persist, or are severe, such as high fever or difficulty swallowing.
Article last updated on: 18th October 2025.
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