J Public Health (Oxf)
August 2020
Background: The rising burden of Coronavirus disease (COVID-19) has led to the mass use of hydroxychloroquine by healthcare workers (HCWs). Adverse event profile of this drug when used as prophylaxis is not well known in the literature.
Methods: A retrospective, cross-sectional study was conducted across the country using semi-structured web-based questionnaire among COVID-19 negative and asymptomatic healthcare workers, taking hydroxychloroquine prophylaxis.