“Classic chilblains are defined as cold induced, erythematous or violaceous lesions accompanied by itching, oedema, pain or burning, blistering or ulceration. However, Covid-19 led to a wave of perniosis associated without any cold exposure,” the Royal College of Podiatry said in an update earlier this year.
Article source: https://www.huffingtonpost.co.uk/entry/covid-toes-children-blisters-swelling-discolouration_uk_637261e2e4b09d758bda01de