Is hydroxychloroquine safe in RA?
The largest retrospective analysis to date of hydroxychloroquine safety shows it is safe for a month, but long-term use — or use with azithromycin — raises the risk of cardiovascular mortality.
An international group of researchers, the OHDSI-COVID-19 consortium*, said they were spurred to embark on the big data study because of concern about the safety of hydroxychloroquine emerging from its use in the pandemic.