Pernio: meaning, definitions and examples
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pernio
[ ˈpərnēˌō ]
medical condition
Pernio, also known as 'chilblains', refers to painful swellings on the skin that occur in response to cold temperatures and subsequent rewarming. It typically affects the extremities such as fingers, toes, ears, and nose and can lead to redness, itching, and blistering in severe cases. Pernio is more common in individuals with poor circulation or underlying medical conditions that affect blood flow.
Synonyms
chilblains, cold-induced dermatitis, frostbite, numbness
Examples of usage
- He developed pernio after a long day in the cold.
- The doctor diagnosed her with chilblains, explaining it was a form of pernio.
- Her fingers were sore due to pernio after being outside during winter.
- Pernio can cause significant discomfort if exposed to harsh weather.
- People with pernio should keep their extremities warm.
Etymology
The term 'pernio' comes from the Latin word 'perniō', which means 'a bruise' or 'a wound'. This etymology relates to the condition's appearance, as the affected areas can look bruised or swollen due to inflammation. The word has been used in English since at least the 16th century, primarily in medical literature to describe the symptoms associated with cold exposure. The condition was particularly noted by early physicians who treated patients suffering from the effects of severe cold weather, often during winter months. Over time, the understanding of pernio has evolved, with modern medicine recognizing it as a combination of vascular and inflammatory responses to cold, leading to treatment options that vary from home care to medical intervention.