New Delhi: Amid the ongoing spur in a cocktail of viruses and diseases being reported across the world, one more rare kind of condition has been identified in Chennai, India. As per reports, an infant has been diagnosed with a rare condition called the ‘black nose disease’. A month-old baby girl in Chennai developed a kind of dark patches around her nose after her mother was diagnosed with Chikungunya just before delivering the child. Otherwise, the baby was sound and healthy, she only showed symptoms of fever and irritability which eventually led to dark spots on her nose.
According to CNBCTV18doctors identified this as post-chikungunya hyperpigmentation called ‘Black Nose Disease’, however, they noted that it is not harmful and only requires normal treatment with a moisturiser.
What is a ‘Black Nose Disease’?
A Black Nose Disease also commonly called Chik sign is a post-chikungunya hyperpigmentation that is identified by a flat, speckled pigmentation that majorly affects the nose area. According to the National Center for Biotechnology Information report, Chikungunya fever is an acute febrile disease that shows symptoms like intense asthenia, arthralgia, myalgia and headache. Hyperpigmentation linked with CF is macular and most commonly affects the nose and the cheeks. It may also develop as a rash after some time if not treated soon.
How does black nose disease take place?
The hyperpigmentation related to CF is macular, it generally develops after two weeks or above after the rash, by this time the fever usually subsides and this is the reason why it is termed as post chikungunya pigmentation.
According to reports, people who have had post-chikungunya pigmentation have a history of high-grade fever for 2-4 weeks before the onset of acute hypomelanosis and often persistent asthenia and joint pain even after defervescence of fever. However, these patients do not generally have any prior erythema or eruption over the affected areas during the acute phase of fever.
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