CDC Warns of These COVID Vaccine Side Effects

What to expect from mild to severe.

Many individuals are concerned about the potential adverse effects of the Moderna and Pfizer COVID-19 vaccinations, which are still being given out across the country. The Centers for Disease Control and Prevention is now addressing the vaccine's most typical adverse effects to calm fears about the vaccination, which experts believe will help ensure herd immunity if the majority of people get it. In their new guidance, they explain, "COVID-19 vaccine will help protect you from getting COVID-19." "You may experience certain side effects, which are common signs that your body is preparing to defend itself. These side effects may make it difficult to do daily tasks, but they should decrease within a few days." Read on to find out what they are.

1. You Might Feel a Bit of Pain

You may feel pain near the injection site. "Talk to your doctor about using an over-the-counter drug like ibuprofen or acetaminophen if you feel pain or discomfort," they say. They also recommend wiping the area with a clean, cool, wet washcloth.

2. You Might Have Swelling

According to the CDC, you may notice swelling on the arm where you received the shot. They recommend that you "use or exercise your arm" to relieve any irritation.

3. You Might Have a Fever

Fever is a common adverse effect of vaccines. The CDC recommends drinking "enough water" and wearing it lightly to reduce fever discomfort.

4. You Might Have Chills 

Because fever and chills go hand in hand, it's not unusual that a chilling sensation could be a side effect.

5. You Might Feel Tiredness

Do not be worried if you feel a little tired after your vaccination. According to the CDC, this is a common side effect.

6. You Might Have a Headache

Finally, another common side effect of immunization is a headache.

7. The Side Effects May Feel "Flu-Like" in Nature

According to the Centers for Disease Control and Prevention, "Side effects may feel like flu-like symptoms and may interfere with your ability to do daily tasks," but they "should fade away in a few days."

8. Severe Allergic Reactions Are Rare

While severe allergic reactions have occurred due to the immunization, they are unusual. "If you acquire a COVID-19 vaccine and suspect you're suffering a serious allergic reaction after leaving the vaccination place," they advise, "get immediate medical attention by dialing 911."

9. When to Call Your Doctor

While "discomfort from fever or pain is normal," the CDC recommends calling your doctor or healthcare provider in the following situations:

  • If the redness or pain in the shot gets worse after 24 hours, see your doctor.
  • If you're worried about your side effects or don't seem to be going away after a few days, talk to your doctor.

10. Don't Forget Your Booster

"Most COVID-19 vaccines require two shots to be effective," the CDC warns. It is recommended that you get the second dose even if you have side effects after the first shot unless a vaccine provider or your doctor advises you not to.

11. Protection Takes Time

Immunity won't develop overnight, and it won't happen until your second shot. They tell out that "it takes time for your body to build protection after any immunization." "Vaccines for COVID-19 that require two shots may not protect you for a week or two after the second shot."

12. How to Protect Yourself

To safeguard your life and the lives of others, "Cover your mouth and nose with a mask when near others, remain at least 6 feet away from others, avoid crowds, and wash your hands often," they advise.

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