[Translated article] COVID-19 and Dermal Fillers: Should We Really Be Concerned?

COVID y rellenos faciales ¿realmente debemos preocuparnos?

SARS-CoV-2 has caused millions of infections and deaths worldwide and case numbers continue to rise. Besides the effect of the virus on key organs – leading to respiratory illness, anosmia, diarrhea, and fever and other complications – delayed inflammatory reactions to hyaluronic acid dermal fillers, mainly in the face, have also been reported to occur after confirmed SARS-CoV-2 infections and in vaccinated individuals. While delayed inflammatory reactions tend to be self-limiting, they should be diagnosed and treated with corticosteroids, hyaluronidase, and/or antibiotics when necessary. The inflammation is generally not severe, yet these complications are classified as serious adverse events by the US Food and Drug Administration. They appear to be delayed type IV hypersensitivity reactions triggered by the immune system in the presence of SARS-CoV-2 or other viruses, such as those causing influenza, although the underlying mechanisms have not been fully elucidated. Because the longevity of dermal fillers is increasing, while the pandemic continues to evolve and new vaccines are under development, the long-term effects on hyaluronic acid fillers and other bioimplant materials should be studied. Physicians must also be encouraged to report these reactions, however mild, to ensure accurate records.

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