Flu Shot Symptoms
Reviewed: Dr. Mera
2. Aching Muscles
When an enemy is present, our white blood cells will sometimes turn to chemical warfare to try and defeat intruders. They are able to secrete certain chemicals that can kill pathogens, making it an effective line of defense. While these chemicals are harmful to pathogens, they can also be harmful to our own bodies.
These chemicals are not as damaging to our bodies as they are to pathogens but they can still cause inflammation. This inflammation will result in aching muscles and joints that will often come with the flu. As such, they are also a symptom that some people experience just after a flu shot.
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