Skip Navigation
Skip to contents

J Korean Med Sci.  2020 Jun;35(24):e231. 10.3346/jkms.2020.35.e231.

A Case of Breakthrough COVID-19 during Hydroxychloroquine Maintenance

Affiliations
  • 1Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
  • 2Department of Laboratory Medicine, Seoul National University Hospital, Seoul, Korea
  • 3Department of Internal Medicine, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, Seoul, Korea

Abstract

There have been controversies on the prophylactic effect of hydroxychloroquine against severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). We describe a patient, 60-year old Korean woman, with coronavirus disease 2019 (COVID-19) who had been taking hydroxychloroquine for 6 months. Her serum and saliva concentrations of hydroxychloroquine were 280 μg/L and 4,890 μg/L, respectively. The present case raises concerns on hydroxychloroquine's role as a prophylactic agent for COVID-19.

Keyword

COVID-19; SARS-CoV-2; Hydroxychloroquine; Prophylaxis
Full Text Links
  • JKMS
Actions
Cited
CITED
export Copy
Close
Share
  • Twitter
  • Facebook
Similar articles
Copyright © 2026 by Korean Association of Medical Journal Editors. All rights reserved.     E-mail: koreamed@kamje.or.kr