The
Food and Drug Administration has revoked its emergency use authorization for the drugs hydroxychloroquine and chloroquine for the treatment of Covid-19.
Hydroxychloroquine was frequently touted by President Donald Trump, and he has claimed to have used it himself.
After reviewing the current research available on the drugs, the FDA determined that the drugs do not meet "the statutory criteria" for emergency use authorization as they are unlikely to be effective in treating Covid-19 based on the latest scientific evidence, the agency noted on its website on Monday.