Clinical dermatologists and infectious disease specialists at premier medical colleges identified a distinct facial dermatological pattern, clinically termed ‘Chikungunya nose’, as a hallmark diagnostic indicator of post-arboviral recovery. The condition manifests as conspicuous hyperpigmentation and freckle-like melanotic patches localized across the nasal bridge and cheekbones following the subsidence of acute mosquito-borne fever.
A multicenter observational study revealed that up to forty percent of recovering chikungunya patients exhibited striking cutaneous pigmentation changes within two to six weeks of initial viral infection. Researchers explained that virus-induced cytokine storms trigger localized melanocyte hyperactivity in ultraviolet-exposed facial tissues, leading to temporary melanin accumulation that can persist for several months.
Medical practitioners advised patients that while the localized discoloration may cause cosmetic distress, the pigmentation is benign and gradually fades without aggressive laser interventions. Clinicians emphasized that topical broad-spectrum sunscreens, mild depigmenting agents, and adequate hydration assist in accelerating dermal recovery while differentiating the condition from lupus or other systemic autoimmune disorders.
Created by Ayen Stabel.
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Sources:
https://indianexpress.com/archive/2024/09/20/