evidence: - FDA cautions against use of hydroxychloroquine or chloroquine for COVID-19 outside of the hospital setting or a clinical trial due to risk of heart rhythm problems. US Food and Drug Administration (FDA). Accessed Feb 2, 2021 at https://www.fda.gov/drugs/drug-safety-and-availability/fda-cautions-against-use-hydroxychloroquine-or-chloroquine-covid-19-outside-hospital-setting-or - Assessment of Evidence for COVID-19-Related Treatments: Updated 01/29/2021. ASHP. Accessed Feb. 2, 2021 at https://www.ashp.org/-/media/assets/pharmacy-practice/resource-centers/Coronavirus/docs/ASHP-COVID-19-Evidence-Table.ashx - NIH halts clinical trial of hydroxychloroquine. Study shows treatment does no harm, but provides no benefit. US National Institutes of Health. Accessed August 13, 2020 at https://www.nih.gov/news-events/news-releases/nih-halts-clinical-trial-hydroxychloroquine - Solidarity Clinical Trials for COVID-19 Treatments. WHO. Accessed Feb. 2, 2021 at https://www.who.int/emergencies/diseases/novel-coronavirus-2019/global-research-on-novel-coronavirus-2019-ncov/solidarity-clinical-trial-for-covid-19-treatments - Coronavirus (COVID-19) Update: FDA Revokes Emergency Use Authorization for Chloroquine and Hydroxychloroquine. US Food and Drug Administration. Accessed August 12, 2020 at https://www.fda.gov/news-events/press-announcements/coronavirus-covid-19-update-fda-revokes-emergency-use-authorization-chloroquine-and - The RECOVERY Trial. No clinical benefit from use of hydroxychloroquine in hospitalised patients with COVID-19. Accessed August 12, 2020 at https://www.recoverytrial.net/files/hcq-recovery-statement-050620-final-002.pdf - Hornby P, Mafham M, Linsel L, et al Effect of Hydroxychloroquine in Hospitalized Patients with COVID-19: Preliminary results from a multi-centre, randomized, controlled trial. medRxiv 2020.07.15.20151852; doi: https://doi.org/10.1101/2020.07.15.20151852 - Kim A, Gandhi R, Hirsh M, et al. Coronavirus disease 2019 (COVID-19): Management in hospitalized adults. Up to Date.