1 doctor weighed in:
What are reactive lymph nodes exactly? What then is an unreactive one?
1 doctor weighed in

Dr. Martin Rubenstein
Internal Medicine - Hematology & Oncology
In brief: Immune system work
Lymph nodes are places in the body where the immune system identifies foreign invaders and launches a response.
The node enlarges when it is working to fight something. "reactive" means the node is working to handle something, as apposed to a lymphoma, a cancer arising in the lymph node. There are many potential causes of reactive lymphadenopathy.

In brief: Immune system work
Lymph nodes are places in the body where the immune system identifies foreign invaders and launches a response.
The node enlarges when it is working to fight something. "reactive" means the node is working to handle something, as apposed to a lymphoma, a cancer arising in the lymph node. There are many potential causes of reactive lymphadenopathy.
Dr. Martin Rubenstein
Dr. Martin Rubenstein
Thank
Get help from a real doctor now
Dr. Tonga Nfor
Board Certified, Internal Medicine - Cardiology
12 years in practice
508K people helped
Continue
108,000 doctors available
Read more answers from doctors