Efectos Secundarios

Discover the side effects after receiving the Covid-19 vaccine.

Vaccination against COVID-19 helps protect people from becoming infected with COVID-19. Some people have side effects after getting vaccinated, which are normal signs that your body is building protection.

These side effects may affect your ability to do daily activities, but should go away within a few days. Some people do not have any side effects  and allergic reactions are rare.

Adverse reactions that could cause long-term health problems are very rare after any vaccine, including the COVID-19 vaccine. If adverse reactions do occur, they usually occur within six weeks of receiving a dose of the vaccine.

For this reason, during clinical trials, the US Food and Drug Administration (FDA) collected data on each of the licensed COVID-19 vaccines for a minimum of two months (eight weeks) after release. end dose. The CDC, FDA, and other federal agencies continue to monitor the safety of COVID-19 vaccines even now that the vaccines are in use.

Common Side Effects

In the arm where you received the injectable vaccine:

•Pain

•redness

•Swelling

In the rest of the body:

•Tiredness

•Headache

•Muscle pain

•Shaking chills

•Fever

•Nausea

Serious allergic reactions after getting vaccinated against COVID-19 are rare. People who had a severe allergic reaction after receiving a COVID-19 mRNA vaccine (Pfizer-BioNTech or Moderna) should not receive another dose of any COVID-19 mRNA vaccine.

People who had a severe allergic reaction after receiving the Johnson & Johnson Janssen (J&J/Janssen) COVID-19 vaccine should not receive another dose of that vaccine.

Helpful Tips to Relieve Side Effects

Talk to your doctor about taking an over-the-counter medicine, such as ibuprofen, acetaminophen, aspirin (only for people 18 years of age or older), or antihistamines, to treat any pain and discomfort you have after getting vaccinated .

People can take these medications to relieve side effects of vaccination if they have no other medical reasons that prevent them from taking them. Talk to your child’s healthcare provider about whether she can give you a non-aspirin pain reliever and about other steps you can take at home to make your child more comfortable after getting vaccinated.

What is not recommended  is taking these medicines before getting vaccinated in order to try to avoid side effects.

To reduce pain and discomfort when giving the injection

•Apply a clean, cool, damp cloth to the area.

•Use or exercise your arm.

To reduce discomfort caused by fever

•Drink plenty of fluids.

•Wear light clothing.

After the second dose or booster dose

Side effects after the second dose  may be more severe than those after the first. These side effects are normal and indicate that the body is building protection, and should go away within a few days.

For the time being, reactions reported after receiving a booster dose are similar to those reported with the one-dose and two-dose main regimens.

Fever, headache, fatigue, and pain at the injection site were the most common side effects reported, and overall most side effects were mild to moderate. However, as with the main one- or two-dose regimens, serious side effects are rare  but can occur.

You may also read: Side effects of Covid 19 vaccine in children

When to call the doctor

Side effects may affect your or your child’s ability to perform daily activities, but should go away within a few days.

In most cases, the discomfort of pain or fever is a normal sign that the body is creating protection. Contact a doctor or health care provider:

•If irritation or tenderness at the injection site worsens after 24 hours

•If the side effects bother you or do not seem to go away after a few days

If you or your child is vaccinated against COVID-19 and you think you may be having a serious allergic reaction after leaving the vaccination center, seek medical attention immediately by calling 911. Learn more about COVID-19 vaccines. 19 and severe atypical allergic reactions .

If you have no side effects

Reactions after getting vaccinated against COVID-19 can vary from person to person. Most of the people who participated in the clinical trials experienced only mild side effects, and some of them had no side effects at all.

Those people had a strong immune response  to the vaccine. Vaccination protects you from getting seriously ill from COVID-19, whether or not you have side effects after getting vaccinated.