The FDA DOES NOT APPROVE of using this drug for the treatment of COVID-19, they caution about that. While it has know side effects to treat things like arthritis or lupus, your statement is just wrong and ironic. Can you admit you're wrong when you are?
https://www.fda.gov/drugs/drug-safety-and-availability/fda-cautions-against-use-hydroxychloroquine-or-chloroquine-covid-19-outside-hospital-setting-or