Chilblain as a noun is an itchy purple red inflammation of the skin, especially of the hands, feet and ears. it occurs when capillaries below the skin are damaged by exposure to cold weather. while Pernio as a noun is chilblain
Part of speech: noun
Definition: An itchy purple red inflammation of the skin, especially of the hands, feet and ears. It occurs when capillaries below the skin are damaged by exposure to cold weather.
Part of speech: noun
Definition: chilblain
We hope you now know whether to use Chilblain or Pernio in your sentence.