The Food and Drug Administration has rescinded authorizations for hydroxychloroquine and chloroquine, promoted by President Trump as coronavirus treatments, as evidence begins to show the drugs may be harmful. “We now believe that the suggested dosing regimens for [ hydroxychloroquine and chloroquine] as detailed in the Fact Sheets are unlikely to produce an antiviral effect,”… Read More: FDA pulls emergency use authorization for hydroxychloroquine, the drug touted… »