Kids with pediatric multisystem inflammatory syndrome (PMIS) are also experiencing abdominal pain, diarrhea, vomiting, and nausea. Some will have rash, a strawberry tongue that’s red and enlarged, and swollen hands. They also might present with red eyes due to blood vessel inflammation, Greenhow says. Like Kawasaki disease, these issues can impact a child’s heart if untreated. (Unlike Kawasaki disease, PMIS doesn’t seem to induce coronary aneurysms when it’s left untreated, Dr. Steven Kernie, chief of pediatric critical care medicine at Columbia University and NewYork-Presbyterian Morgan Stanley Children’s Hospital, told The New York Times.) PMIS has also sent some children into a certain kind of toxic shock that leads to low blood pressure, Kernie explained.
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