The condition may involve a painful rash, swelling, or discoloration on patients’ tongues.
One UK researcher says it’s critical to draw attention to “non-classic” coronavirus symptoms like COVID tongue that aren’t on official public health lists.
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More research is needed to confirm whether “COVID tongue” could be a reliable litmus test for a coronavirus infection, Spector said, adding that very few people — less than one in every 500 cases — have this symptom.
Mouth ulcers are also among symptoms that are ‘frequently involved’ in COVID-19 casesResearchers from the Czech Republic documented 26 cases of people with mild or moderate COVID-19 who developed painful ulcers on their tongues between April and June.