01109nas a2200289 4500000000100000008004100001260001200042653001300054653002100067653000900088653002200097653001900119100001500138700001200153700001300165700001200178700001200190700001100202700001600213700001200229700001400241700001400255245010900269856006300378520036400441022001400805 2021 d c05/202110aCOVID-1910aadverse reaction10adrug10amethemoglobinemia10apulse oximetry1 aTripathi T1 aSingh A1 aKapoor R1 aSinha A1 aGhosh S1 aKaur K1 aPokhariya D1 aMaity S1 aTapadar A1 aChandra A00aDapsone induced methemoglobinemia in leprosy: A close mimic of 'happy hypoxia' in the COVID-19 pandemic. uhttps://onlinelibrary.wiley.com/doi/epdf/10.1111/jdv.173943 a
Dermatological examination revealed a solitary, well defined, hypotrichic, hypohidrotic, annular plaque, 7 cm in diameter over the dorsum of the left foot which was hypoaesthetic to pain, touch and temperature. No satellite lesions or nerve to patch was present. Left posterior tibial nerve and superficial peroneal nerve were thickened and non tender.
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