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Possible Side Effects After Getting a COVID-19 Vaccine

Updated June 24, 2021
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COVID-19 vaccination will help protect you from getting COVID-19. You may have some side effects, which are normal signs that your body is building protection. These side effects may affect your ability to do daily activities, but they should go away in a few days. Some people have no side effects.

Common Side Effects

On the arm where you got the shot:

WhatExpectafterVaccinationAnimation_pain

Throughout the rest of your body:

WhatExpectafterVaccinationAnimation_fever

If you had a severe or immediate allergic reaction after getting the first dose of an mRNA COVID-19 vaccine, you should not get a second dose of either of the mRNA COVID-19 vaccines. Learn about getting a different type of vaccine after an allergic reaction.

Helpful Tips to Relieve Side Effects

Talk to your doctor about taking over-the-counter medicine, such as ibuprofen, acetaminophen, aspirin, or antihistamines, for any pain and discomfort you may experience after getting vaccinated. You can take these medications to relieve post-vaccination side effects if you have no other medical reasons that prevent you from taking these medications normally.

It is not recommended you take these medicines before vaccination for the purpose of trying to prevent side effects.

To reduce pain and discomfort where you got the shot

WhatExpectafterVaccinationAnimation_movearm

To reduce discomfort from fever

WhatExpectafterVaccinationAnimation_drink

If You Received a Second Shot

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.

When to Call the Doctor

nurse

In most cases, discomfort from pain or fever is a normal sign that your body is building protection. Contact your doctor or healthcare provider:

If you get a COVID-19 vaccine and you think you might be having a severe allergic reaction after leaving the vaccination site, seek immediate medical care by calling 911. Learn more about COVID-19 vaccines and rare severe allergic reactions.

Remember

If you are fully vaccinated, you can resume activities that you did prior to the pandemic. Learn more about what you can do when you have been fully vaccinated.

Fact Sheet

fact sheet thumbnail - What to Expect after Getting a COVID-19 Vaccine

What to Expect after Getting a COVID-19 Vaccine

Fact sheet for healthcare workers to give after vaccination.

File Details: 199 KB, 1 page

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Ensuring COVID-19 Vaccine Safety in the US

Updated Apr. 22, 2021

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