Moderna's COVID-19 vaccine may cause swelling for people with fillers - Insider

While reviewing the Moderna coronavirus vaccine, advisors at a US Food and Drug Administration (FDA) committee meeting were told the vaccine caused temporary facial swelling in two study participants. Both had recently got dermal fillers. 

Dr. Litjen Tan, chief strategy officer of the Immunization Action Coalition, told Insider the response is nothing to be concerned about. It is simply evidence of the immune system kicking into action.

"This is reflected in the systemic reactions that we see such as a day or two with mild fever, etc.," Tan wrote to Insider in an email. "That same immune response can also react against the cosmetic fillings as these fillings would be seen as 'foreign' (immunologically speaking)."

The inflammation seen in these patients is a natural immune reaction to a substance that is not natural within the body. 

This might sound intimidating, especially to people who contributed to the 64% jump in cosmetic procedures — primarily botox injections and lip fillers — in the early months of lockdown.

But experts say this should not deter patients from getting vaccinated.

"One thing to know is that the individuals with these responses after vaccination were easily treated by steroids and anti-inflammatories with no long-term deleterious outcomes," Dr. David Verhoeven, an expert in virology and professor of Vet Microbiology & Preventive Medicine at Iowa State University, told Insider. 

If patients have had dermal fillers that have not fully dissolved, experts advise they should speak to their primary care physician about their options. 

"I would definitely suggest that the individual inform their healthcare provider that they had a dermal injection so that the healthcare is aware of the potential for an adverse reaction," Verhoeven told Insider. 

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