12/3/2023 0 Comments Covid rash vaccine“If it’s itching, take antihistamine," Blumenthal said. The reaction is annoying, but the virus is deadly, so it’s no reason not to get the shot or a second dose, doctors said. “We’re probably just seeing the tip of the iceberg,” she said. Blumenthal, who is in charge of allergy for the employee vaccination program at Mass General Hospital in Boston, said she’d seen a fair number. The percentage of people who develop the reaction isn’t known. “Is this related to the body’s immune reaction? Is this just your body doing the job, or is this maybe related to one of the inactive ingredients to the vaccine? We really don’t know yet,” she said. 15.īlumenthal said the rash appears to be a delayed allergic reaction of unknown cause. The second dose is not given until 28 days later, so the second round began only Jan. Moderna’s vaccine was first authorized Dec. However, there aren’t many examples so far because second shots began only last week. Data is still being collected, but doctors are encouraged that does not appear to be the case with the second Moderna shot. “People are a little surprised because it’s a long time after the shot,” Freeman said.Īllergic reactions typically become worse with more exposure, so there’s concern the second shot might cause a more severe rash. That makes it different from most vaccine side effects, which typically occur within a day or two. What’s unusual is that the rash typically shows up five to nine days after the first immunization – on average, a week later. “It wouldn’t be surprising to me because we see different responses to COVID in different age groups,” she said. So far, side effects for both vaccines seem to be almost identical, apart from this one reaction.ĭata has shown older people have a weaker immune response to the COVID-19 vaccines, so it’s possible the rash simply signals a more robust immune response in younger age groups, Freeman said. He spoke Wednesday at a meeting of CDC's Advisory Committee on Immunization Practices. Public Health Service Vaccine Safety Team lead for the COVID-19 response at the Centers for Disease Control and Prevention. Overall, women account for 77% of the Moderna vaccine's reported side effects, with a median age of 43. That's likely because of the population of health care workers who first got the vaccine, said Dr. It also seems to be most common in people in their 30s and 40s, but that, too, could be due to the age of the health care workers getting the first wave of vaccinations. Kim Blumenthal, an allergist and epidemiologist and professor of medicine at Harvard medical school. “We do have more cases that are being reported in women, but that could be that women are more likely to tell you,” said Dr. The rash also seems to be more common in women, but it’s hard to tell because the first people who got the Modena vaccine were health care workers, the majority of whom tend to be women. “It doesn’t mean you should get Pfizer instead of Moderna," she said. The specific reaction has occurred only in people who’ve gotten the Moderna vaccine, not the Pfizer vaccine, Freeman said. A small number of rash reactions were reported in Moderna’s clinical trials. “It’s temporarily dramatic, but it will go away” within 24 hours to a week, Freeman said. It always occurs on the arm where the shot was given. The rash is red, sometimes itchy and painful to the touch, and can be as much five or six inches across. So far, there are only 14 examples in the registry, but she thinks there are more that haven’t been reported.ĬOVID-19 vaccine reactions can be reported on the CDC's V-safe page.ĭermatologists and allergists are studying the side effect, which they’ve tentatively dubbed "delayed cutaneous hypersensitivity." Laypeople are calling it "COVID arm." “We want to reassure people that this is a known phenomenon," she said. "Having a big red splotch on your arm for a couple of days may not be fun but the reality is there's no need to panic and no reason not to get your second shot."įreeman is the principal investigator in the global COVID-19 dermatological registry, which is collecting case reports from doctors of people experiencing COVID-19 responses. Esther Freeman, director of global health dermatology at Massachusetts General Hospital. There is no indication the reaction is anything but a topical – and brief – response as the body’s immune system goes to work, said Dr. Aside from sometimes being itchy, it doesn't appear to be dangerous, and people who get it should not hesitate to get their second dose of the vaccine, doctors say. Watch Video: COVID-19 symptoms versus flu symptomsĪn angry red rash being called “COVID arm” is a harmless but annoying response in some people who get the Moderna vaccine.
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