What is ‘black-nose’ disease, a new chikungunya symptom?

Health By Sumit Jha Sep 20, 2024 Read the article

Doctors diagnosed a post-chikungunya hyperpigmentation, also known as Chik Sign, a skin condition likely caused by the chikungunya infection.

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As new cases of chikungunya are reported in the country, an unprecedented symptom —blackening of the nose — has emerged.

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Typically, patients with chikungunya experience symptoms such as sudden-onset high fever, severe joint pain, headache, muscle pain, fatigue, and rash.

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This season, however, blackening of the nose was also observed.

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A new variant of the chikungunya virus is causing severe and unusual symptoms, including paralysis, blackening of the nose, and dangerously low platelet counts

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Physician Dr Sai Kiran Chilukuri explained that the distinctive pigmentation, which is known as ‘chik sign’ or ‘brownie nose’ is usually a self-resolving condition.

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Chikungunya is a viral infection, transmitted by the bite of the Aedes mosquito. Fever, joint pain, and skin manifestations are usually associated with this infection.

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