December 1, 2023 9:22 am

When the influenza virus enters the body, it triggers a powerful immune response. The immune system responds by producing a surge of inflammatory chemicals, which cause blood vessels to become leaky. This allows immune cells to travel to the site of infection and attack the virus. However, this process also leads to the characteristic flu symptoms, including muscle and joint aches.

Inflammation can also affect the nerves in the body, making them more sensitive to pain. This can make the muscle and joint aches feel even more intense and uncomfortable. The combination of inflammation and increased nerve sensitivity is what makes the flu feel so achy and miserable.

Understanding the role of inflammation in flu symptoms can help explain why over-the-counter pain relievers, which reduce inflammation, can help alleviate some of the discomfort. Additionally, this knowledge can inform the development of new treatments for the flu that target the inflammatory response itself. By targeting inflammation directly, these treatments could potentially provide more effective relief for flu sufferers.

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