How does acute inflammation work?
January 30, 2025
By Kathryn Fink
Acute, or temporary, inflammation is the body’s way of trying to isolate and eliminate the ‘threat’. When your immune system identifies an ‘invader’ in your body, your white blood cells (B-cells and T-cells that are part of your immune system) start working to protect you.
The molecules made by your white blood cells (such as antibodies and special proteins) enter into your bloodstream and travel to the site of the invader (which can be in your blood or in your body tissues and organs). These antibodies recognize the invaders and stick to their surface, triggering the invader to self-destruct or lose function.
This movement of antibodies and proteins increases the blood flowing to the site of the injury or infection, causing inflammation that triggers redness, warmth and swelling. The whole process (the extra blood flow and the swelling) can push against nerves and cause pain in the area.
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