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MADRID (AFP) – Changes in the tongue, hands or soles of the feet could give an early indication of a Covid-19 infection, Spanish researchers found in a study presented Tuesday, January 26.
The findings emerged from research with 666 patients with Covid-19 at the IFEMA field hospital in Madrid set up during the first wave of the pandemic, the regional government said.
One in four patients said they noticed changes on their tongue, while four in ten noticed unusual signs on the palms of their hands or the soles of their feet.
The study was carried out in April by health professionals from La Paz Hospital in Madrid and primary care services, the results being published in the British Journal of Dermatology as a “research letter” in September.
Some patients have reported swelling of the tongue and the appearance of plaques, in what has been dubbed ‘Covid tongue’, which on many occasions has been associated with loss of taste.
Another symptom was a burning sensation and redness on the palms of the hands or the soles of the feet, which in some cases was followed by the appearance of small blemishes.
“Almost half of patients with mild to moderate Covid-19 admitted to a field hospital for a period of two weeks presented with mucocutaneous results,” the letter said.
“The oral cavity was frequently involved and deserved a specific examination in appropriate circumstances to avoid the risk of contagion.”
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