How common is myocarditis in children after a COVID-19 vaccination?

Can the COVID-19 Vaccine Cause Myocarditis? A Children's-led study confirms that heart inflammation or myocarditis is a very rare side effect in kids who receive the COVID-19 mRNA vaccine.
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Can COVID-19 vaccines affect the heart of children?


Can COVID vaccines affect the heart? Hansen: For most kids, the vaccine will have no effect on their heart. But health officials are monitoring very rare occurrences of myocarditis and pericarditis after vaccination.

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What are the symptoms of myocarditis from the COVID-19 vaccine?


What are the symptoms of myocarditis and pericarditis? Symptoms include chest pain, palpitations (the feeling of one's heart beating very fast), and shortness of breath. If your child develops any of these symptoms after receiving the COVID-19 vaccine, please contact your pediatrician and seek medical care.

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How do you know if you have myocarditis from the Pfizer COVID-19 vaccine?


Symptoms include chest pain, palpitations (the feeling of one's heart beating very fast), and shortness of breath. If your child develops any of these symptoms after receiving the COVID-19 vaccine, please contact your pediatrician and seek medical care.

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What are the average ages of people who had myocarditis after mRNA-based COVID-19 vaccination during the first 8 months of 2021?

Of the 1626 reports that met the CDCs case definition for myocarditis, 1195 (73%) were younger than 30 years of age, 543 (33%) were younger than 18 years of age, and the median age was 21 years (IQR, 16-31 years) (Figure 1).
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Heart Muscle Damage from COVID-19 | Full Video



Do mRNA COVID-19 vaccines cause heart inflammation?


These cases typically occur in male adolescents and young adults after the second dose, and within a week of vaccination. It is important to seek medical care if symptomatic (chest pain, shortness of breath, having a fast beating, fluttering, or pounding heart).

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What is known about the COVID-19 vaccine related myocarditis in people younger than 21?


DALLAS, Dec. 6, 2021 — Most young people under the age of 21 who developed suspected COVID-19 vaccine-related heart muscle inflammation known as myocarditis had mild symptoms that improved quickly, according to new research published today in the American Heart Association's flagship journal Circulation.

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When is myocarditis the highest in COVID-19 vaccines?


The rates of myocarditis were highest after the second vaccination dose in adolescent males aged 12 to 15 years (70.7 per million doses of the BNT162b2 vaccine), in adolescent males aged 16 to 17 years (105.9 per million doses of the BNT162b2 vaccine), and in young men aged 18 to 24 years (52.4 and 56.3 per million.

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How do you know if you are allergic to the COVID-19 vaccine?

An immediate allergic reaction happens within 4 hours after getting vaccinated and could include symptoms such as hives, swelling, and wheezing (respiratory distress).
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Do children recover completely in the rare event of myocarditis after the COVID-19 vaccination?


Millions of people worldwide have received the mRNA vaccine without serious side effects. Serious side effects resulting from the vaccine—including myocarditis—are extremely rare. In most cases of vaccine-associated myocarditis, kids recovered completely after receiving medication.

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Can COVID-19 vaccine cause pericarditis?


Several cases of myocarditis and pericarditis have been reported after mRNA COVID-19 vaccination. Interestingly, most cases were seen in male adolescents and young adults, commonly after 3-4 days of the second dose of mRNA vaccine.

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Are long term side effects possible with the COVID-19 vaccine?


Benefits of Vaccination Outweigh the Risks Serious side effects that could cause a long-term health problem are extremely unusual following any vaccination, including COVID-19 vaccination.

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Can I get myocarditis if I have COVID-19?


Myocarditis is uncommon among patients with and without COVID-19; however, COVID-19 is a strong and significant risk factor for myocarditis, with risk varying by age group.

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Can COVID-19 cause heart problems in children?


In general, children who get sick with the coronavirus do not have serious problems as often as adults do. But a very rare complication of COVID-19 called multisystem inflammatory syndrome in children, or MIS-C, can cause serious heart damage, cardiogenic shock or death.

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What are the possible rare heart complications after COVID-19, in children?


While heart complications after SARS-CoV-2 infection are uncommon in children, some experience abnormal heart rhythm, inflammation in and around the heart muscle or multisystem inflammatory syndrome in children (MIS-C), a new condition identified during the pandemic.

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Can COVID-19 cause heart problems?

For people who have had COVID-19, lingering COVID-19 heart problems can complicate their recovery.

Some of the symptoms common in coronavirus “long-haulers,” such as palpitations, dizziness, chest pain and shortness of breath, may be due to heart problems — or, just from having been ill with COVID-19.

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What should I do if I am allergic to the COVID-19 vaccine?


If you aren't able to get one type of COVID-19 vaccine because you are allergic to an ingredient in that vaccine, ask your doctor if you should get a different type of COVID-19 vaccine.

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Can you have a late allergic reaction to the COVID-19 vaccine?


Delayed urticarial reactions — Occasionally, patients develop a few hives and/or mild angioedema several hours or days after administration, as with other vaccines.

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What are the severe allergic reactions to COVID-19 mRNA vaccines?


“Overall, severe allergic reactions to COVID-19 mRNA vaccines, including life-threatening anaphylaxis reactions such as low blood pressure and difficulty breathing, are rare, on the order of five cases per million vaccine doses administered,” noted Dr. Guerrerio.

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When is the greatest risk of respiratory complications from COVID-19 for older patients?

While every patient is different, doctors say that days five through 10 of the illness are often the most worrisome time for respiratory complications of Covid-19, particularly for older patients and those with underlying conditions like high blood pressure, obesity or diabetes.
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When do you feel side effects of Johnson and Johnson COVID-19 vaccine?


With most of the side effects occurring within one to two days following vaccination, Dr. Fryhofer recommends choosing a day or two when “you don't have a lot of important stuff going on, because you might not feel well.”

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Should you get the Covid vaccine if you have an autoimmune disease?

The American College of Rheumatology COVID-19 Vaccine Clinical Guidance recommends that people with autoimmune and inflammatory rheumatic disease (which includes lupus) get the vaccine unless they have an allergy to an ingredient in the vaccine.
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How common is myocarditis in young men during the COVID-19 pandemic?


The researchers found an excess rate of myocarditis of 3.26 per 100,000 individuals within 28 days of a positive COVID-19 test among all males, and 1.37 per 100,000 individuals among males 16 to 24 years of age.

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What are the heart problems that kids and teens with COVID-19 may experience?


Kids and teens sick with COVID-19 have experienced the following heart problems after infection: Myocarditis resulting from active COVID-19 infection. Heart problems as a result of multisystem inflammatory syndrome in adults (MIS-A) and in children (MIS-C), which causes inflammation in different parts of the body.

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What is the treatment for Multisystem Inflammatory Syndrome in Adults (MIS-A) from COVID-19 in adults?


For now, steroids, IVIG, and supportive care treatments have been suggested in the literature for MIS-A (Ahmad, May 2021; Davogustto, May 2021). Based on current knowledge, CDC recommends COVID-19 vaccination as the best protection from MIS-A.

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