What is another word for chilblain?
Pronunciation: [t͡ʃˈɪlble͡ɪn] (IPA) 
Chilblain is a medical condition that refers to the pain, swelling, and itching in the fingers, toes, nose, and ears due to cold exposure. Some of the synonyms for chilblain include pernio, perniosis, erythema pernio, and cold sores. Pernio or perniosis is a severe form of chilblains, where the skin becomes cracked and develops ulcers. Erythema pernio is a term used for a purplish-red discoloration of the skin caused by chilblains. Cold sores, on the other hand, refer to the small, painful blisters that develop on the lips or inside the mouth due to viral infections. Although chilblains are not contagious and usually heal on their own, they can cause discomfort and inconvenience during the winter season.
