What to Expect after Getting a COVID-19 Vaccine

The COVID-19 shot may cause side effects in some people. Side effects should go away in a few days.

Important

This site does not provide medical advice, it is intended for informational purposes only. It is not a substitute for professional medical advice, diagnosis or treatment. Never ignore professional medical advice in seeking treatment because of something you have read on this website. If you think you may have a medical emergency, immediately call your doctor or dial 911.
Common Side Effects
On the arm where you got the shot
  • Pain
  • Redness
  • Swelling
In the rest of your body
  • Fever
  • Chills
  • Tiredness
  • Headache
  • Muscle pain
  • Nausea
Ask the facility staff for help if
  • The redness or pain where you got the shot gets worse after 24 hours
  • Your side effects are worrying you
  • Your side effects do not seem to be going away after a few days
Helpful Tips

If you have pain, headache, or fever, ask a healthcare provider (or facility staff) if you can have medicine.

If you are sore where you got the shot: apply a clean, coole, wet washcloth over the area and use or move your arm gently.

If you have fever remember to drink a lot of water, get plenty of rest and desss lightly.

Remember
Side effects may make you feel a little sick or even make it hard to do daily activities, but they should go away in a few days.
You should get the second shot even if you have side effects after the first shot, unless a doctor tells you not to.
COVID-19 vaccines may not fully protect you until a week or two after your final shot. It takes time for your body to build protection after any vaccination.