Congenital Methemoglobinemia Misdiagnosed as COVID-19 in a 20-Year-Old Male: A Case Report
Arshad Raja, Janarthina Kani, Praneet Manoj Ram & Jyotsna Mahadevan · Asian Hematology Research Journal · 2026
Congenital methaemoglobinaemia is a rare disorder that may be overlooked when persistent cyanosis and low pulse-oximetry readings are attributed to cardiopulmonary disease. We report a 20-year-old male who presented with fever, peripheral cyanosis, clubbing and mild dizziness dur...