![]() ![]() It is worth noting that a PEG allergy is extremely rare. It is still unclear whether PEG is the cause of the reported allergic reactions or whether the concentration of PEG in the vaccine is enough to cause a reaction. PEG, which is commonly found in laxatives, works in the vaccine as a protective coating for the mRNA molecule as it enters cells. Like the Pfizer vaccine, the Moderna COVID-19 vaccine contains an ingredient called polyethylene glycol (PEG), which has raised concerns regarding its potential to induce an allergic reaction. The vaccine fact sheet lists the following potential symptoms of a severe allergic reaction: ![]() ![]() Out of 7,581,429 Moderna vaccine doses administered, there have been 19 reports of anaphylaxis, fewer than 3 cases per million. Most of those who receive immediate care respond well to treatment, and their condition quickly improves, the agency adds.Īllergic reactions, severe and otherwise, have been reported as possible side effects of the vaccine, as a response to certain ingredients in the vaccine.Īnaphylaxis, a severe allergic reaction, is a rare side effect of vaccination. The symptoms include chest pain, shortness of breath, and “feelings of having a fast-beating, fluttering, or pounding heart.”Īccording to the CDC, these side effects within the heart are most likely to occur in adolescents and young adults. The federal agency also advises that those who do experience myocarditis or pericarditis symptoms after vaccination should seek medical attention immediately. In the patient fact sheet for the Moderna vaccine, the FDA notes that symptoms of myocarditis or pericarditis tend to appear “within a few days following receipt of the second dose.” However, the FDA, adds, these side effects are very unlikely to occur in most people. Rare side effects: Myocarditis, pericarditisįollowing some reports of myocarditis, or inflammation of the heart muscle, and pericarditis, which is inflammation of the lining outside the heart, after the receipt of mRNA vaccines, the FDA added revisions to both the patient and healthcare provider fact sheets for the Moderna vaccine. The authors of the report note that COVID arm is uncommon, not harmful, and recedes spontaneously or with the use of steroids or antihistamines. This case report describes the experiences of four people who developed COVID arm 7–10 days after receiving the first dose of the Moderna vaccine. Known as “ COVID arm,” the rash can appear several days after the vaccination. There have also been reports of people experiencing a red, itchy, swollen, or painful rash at the injection site. This study notes that after the second dose, 82% of Moderna vaccine recipients reported injection site reactions, compared with 69% of Pfizer vaccine recipients. People who have had other authorized COVID-19 vaccines have also reported these side effects.Īmong recipients of mRNA vaccines, however, there have been more frequent reports of side effects from people who have had the Moderna vaccine. swelling of armpit lymph nodes, specifically (19.8%).Recipients also reported the following injection site reactions: The clinical trials found that side effects were more commonly reported after the second dose and lasted around 2–3 days. Also, we have included the percentages of frequency reported in Moderna’s phase 3 clinical trial data: But ultimately, provided there is no other medical reason why you should not get the vaccine, you can and should protect your health by getting the shot.The FDA’s fact sheet for this vaccine lists the following general side effects. You can take an over-the-counter antihistamine, which may help reduce swelling, or call your dermatologist for advice. If you have dermal filler and experience a reaction, know that it is likely temporary. The problems were not caused by an infection or an allergic reaction. It's possible that the vaccine triggered an immune system reaction that caused the inflammation. There have been a small number of cases where the Moderna COVID-19 vaccine is suspected of triggering localized swelling in people who had dermal fillers (most often in the face or lips). There is no reason to avoid the vaccine if you have dermal fillers. After the procedure I read that some people who have had skin fillers have had a reaction to the COVID-19 vaccine. I recently got cosmetic dermal filler under my eyes. ![]()
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