After the COVID-19 booster shot, you may experience some temporary symptoms such as pain and swelling in the arm where the injection was given. You may have a fever and body aches, headache, and fatigue for a day or two. Chills and swollen lymph nodes may also occur. Nausea, diarrhea, and vomiting are other common side effects of increased doses.
These symptoms do not mean you are sick. They mean your immune system is responding to the shots and building up protection against the coronavirus. Usually, the side effects are mild, and should not prevent you from getting a booster shot.
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