Injection-site pain occurred after dose 1 in 66.2% of participants and 68.6% after dose 2.One third of participants (33.9%) reported fatigue after dose 1 and 55.7% after dose 2.Mar 7, 2022
Side effects after the COVID-19 vaccine are caused by your immune system. But a lack of side effects doesn't mean your COVID-19 vaccine didn't work.May 26, 2021
Side effects after your second shot may be more intense than the ones you experienced after your first shot. These side effects are normal signs that your body is building protection and should go away within a few days.
Commonly reported side effects in the clinical trial included injection site pain (sore arm), redness and swelling, fatigue, headache, muscle and/or joint pain, chills, fever, swollen lymph nodes, nausea and decreased appetite.Feb 16, 2022
Fortunately, there's no reason to be worried. Just because you didn't have a reaction – or not much of one – doesn't mean your body isn't mounting a response to the vaccine. The reality is that not everyone has a reaction. As a matter of fact, studies show only about 50% of patients experience side effects.May 18, 2021
November 08, 2021 If you experienced side effects when you were vaccinated initially, you may wonder if you'll have any noticeable symptoms in response to your booster shot. While you may have some side effects, they should be no worse than what you experienced originally and may well be milder.Nov 8, 2021
You probably experienced COVID-19 vaccine side effects fairly quickly when you had your initial injections. The same is true for COVID-19 vaccine booster shots: Most people notice side effects within the first 24 hours. The symptoms typically only last a day or two. Some people don't notice any side effects.Nov 8, 2021
It is normal to feel sick after getting a COVID-19 vaccine. You may have a sore arm. Put a cool, wet cloth on your sore arm.Apr 21, 2021
Side effects can affect your ability to do daily activities, but they should go away in a few days.
More common Pain, redness, or swelling at the injection site Feb 1, 2022
The most commonly reported side effects were pain at the injection site, tiredness, headache, muscle pain, chills, joint pain, nausea and vomiting, swollen lymph nodes in the same arm of the injection and fever. Side effects typically started within two days of vaccination and resolved two or three days later.Feb 16, 2022
Your body recognizes the protein as an antigen — something foreign — and starts reacting to it with inflammation at the injection site. This is why the first shot very commonly causes arm pain.Oct 28, 2021