Dr. Terrae Trent and her husband Mark, dancing in the kitchen in Lancaster, Virginia, celebrate their second COVID1

9 vaccination.

USA Today

Exposure to COVID-19 can cause any form of skin reactions. A new study finds that some, including toe COVID, measles-like rashes and shingles, can be a rare side effect and appreciate the side effects of getting the vaccine. Pfizer-BioNTech or Moderna

The reaction of minors, although sometimes itchy and annoying. Found in the database 414 cases of skin delay. Link with vaccines and report to healthcare professionals. Cases were collected between December and February before Johnson & Johnson’s vaccine was authorized, so it was not included.

It did not cause life-threatening reactions.

“People can get rashes all over their body, and that can be a little surprising and scary. But these patients did very well, recovered and were able to return for a second dose, ”said Freeman, Massachusetts director of global dermatology. General hospital

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“For people who started to develop a rash four hours or more after getting the vaccine, 0% of them received anaphylaxis or another severe reaction,” she said. “Zero is a good number.”

Delayed skin responses, as described in studies, usually started a day or more after vaccination. But it can appear seven to eight days later. These symptoms are different from severe and immediate allergic reactions, which occur within the first four hours of the vaccination.

The findings appear Wednesday in the Journal of the American Academy of Dermatology becauseThis included only cases reported to the Skin Registry.It was impossible to say how common they were among everyone who received the vaccine. In general, researchers believe they are rare due to the low number of visible cases.

While skin reactions to vaccines can occur as long as they are started more than four hours after vaccination, they are generally not life-threatening.

“People can have peace of mind about getting a second vaccine,” said Freeman, who is the principal investigator for the international COVID-19 dermatology registry. Who have not been vaccinated Do not start vaccination within four hours. You should feel comfortable getting a second dose.

Researchers suggest that the vast majority of people who were vaccinated did not experience any reactions, according to a clinical trial of Moderna and Pfizer-BioNTech. A rare skin reaction report and a recent study of nearly 65,000 people found that anaphylaxis after vaccination was an extremely unusual event.

Anyone with severe symptoms should consult a healthcare professional, Freeman said.

Skin response to a first dose of vaccine does not mean that you will receive one to the second vaccine. Less than half – 43% – of patients who develop a rash from the first vaccination will develop a second rash.

The most commonly reported reaction is a raised red rash, sometimes itching, usually occurring at the injection site, which can occur within a week or so after the vaccination, known as a COVID arm or Moderna arm due to About 95% of the reactions were observed with the Moderna vaccine.

For Moderna arms, most people have no relapses when they get the second shot. They are generally less noticeable and fade on average within three to four days.

Covid toe is another rare, annoying reaction. But not life threatening Also called pernio or chilblains, skin lesions or bumps occur on the toes of patients and in about 10% of cases on the finger. It can cause the numbers to swell, red or purple, and may be linked to inflammation of the vascular wall.

“Your toes turn purple makes you feel uncomfortable. But it’s not a reason not to get a second dose, ”Freeman said.

The over-body rash reported by some patients is called morbiliform rash, often called “measles-like” even though it is not measles.

There have been some reports of people who have had chickenpox as a child with a shingles outbreak in response to the vaccine.

Another reaction is skin swelling in people who have been treated with cosmetic dermal fillers, although this is very rare.

“If you have a facial filler, it doesn’t mean you shouldn’t be vaccinated,” Freeman said.

Among those who have had an immediate allergic reaction to the vaccine. Pfizer-BioNTech or Moderna were rare and no deaths were reported.

A study of 65,000 employees at Massachusetts hospitals vaccinated with Pfizer or Modena vaccines found that the incidence of life-threatening allergies was 0.025%.

“That’s a quarter of 1%. That’s a very good number,” Freeman said.

Contact Elizabeth Weise at

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