Skin rash as a result of receiving the COVID-19 vaccine.

While millions of people around the world receive vaccination against the emerging corona virus, doctors note that some people who received the vaccine suffer from allergies or delayed reactions, especially to the Moderna and Pfizer vaccines, so what is the reason?

Skin rash after receiving the first dose of the corona vaccine.

In a study of the reactions that appear on the body after receiving the first dose of the Corona vaccine, a group of people saw skin reactions, such as a red rash, itching, or painful swelling at the injection site. In a database of 414 cases of delayed skin problems associated with vaccines, none of them caused a life-threatening reaction.

For people whose rash began four or more hours after receiving the vaccine, zero percent had an allergic reaction or other serious reaction. Delayed skin responses in the study often start a day after vaccination, but can appear within seven to eight days as well. The rash differs from severe and immediate allergic reactions, which occur within the first four hours of vaccination. But in general, the rash is not serious or life-threatening.

Is it possible to receive the second dose of the vaccine despite the appearance of the rash?

According to the CDC, the rash is known as the “COVID arm.” If you experience this condition after getting the first dose, you should still get the second dose, at the recommended interval, if your vaccine needs a second dose. That is, you do not mind getting the second dose of the vaccine.

In general, you should tell your doctor that you have a rash or “COVID arm” after the first dose. In this case, he may recommend getting the second injection in the other arm.

“Some people can have an allergy to the vaccine, but it’s very rare,” says Rebecca Saff, an allergist and immunologist at Massachusetts General Hospital, who co-authored a study published in the New England Journal of Medicine.

Saff and her colleagues confirmed the delayed reaction as a result of receiving Moderna’s vaccine, which is similar to an allergy to some drugs, which is not alarming, and could be the result of vaccine proteins settling on the surface of cells, and therefore those cells may respond strongly, which appears in the form of a rash.

Peter Chen Hong, an infectious disease specialist at the University of California, San Francisco, stressed the need not to worry about the emergence of any local symptoms as a result of receiving the vaccine, noting that the appearance of these symptoms is very rare, and ranges from 1 to 5 per million people.

Both medical experts noted that rare delayed reactions to a vaccine, such as redness or a rash, disappear after several weeks, and agreed that it is better for a person to have a reaction to the vaccine than to contract COVID-19.

Should you receive the corona vaccine if you have an allergic reaction?

If you have previously had a serious allergic reaction to any vaccines, you should not get the Covid vaccine, however, the NHS stresses that serious allergic reactions are rare.

If you have a reaction to a vaccine, it usually occurs within minutes, and the staff who delivers the vaccine is trained to handle and treat allergic reactions promptly.

Reference :

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