Table of Contents
- Swollen lymph nodes facts
- What are lymph nodes?
- Where are the lymph nodes located in the body (pictures)?
- How do you check for swollen lymph nodes?
- What infections and viruses cause swollen lymph nodes?
- What bacteria, parasites, and fungi cause swollen lymph nodes?
- What are the inflammatory diseases, cancers, and other conditions cause swollen lymph nodes?
- What are the symptoms of swollen lymph nodes?
- When should I see the doctor for swollen lymph nodes?
- How are swollen lymph nodes diagnosed?
- What is the treatment for swollen lymph nodes?
- What are the common locations of lymph nodes that may become swollen?
- What are the complications of swollen lymph nodes?
What infections and viruses cause swollen lymph nodes?
There are many causes for swollen lymph nodes, sometimes referred to as "swollen glands" (lymphadenopathy or lymphadenitis). In general, lymph nodes become swollen when they are active either due to an infection, inflammation, or cancer.
Infections are the most common causes of swollen lymph nodes. Common infectious causes of swollen lymph nodes are viral, bacterial, parasites, and fungal. The most common cause of swollen lymph nodes is viral upper respiratory infections such as the common cold.
- Infectious mononucleosis (mono)
- Common cold viruses
- Many other viruses