President Trump said that he's been taking the anti-malaria drug. But many agencies have warned against the improper use of hydroxychloroquine.

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. Hydroxychloroquine (HCQ) does not help clear the SARS-CoV-2 virus or relieve symptoms for COVID-19 ...

People taking hydroxychloroquine for coronavirus may be more likely to die, according to new research. But that doesn't mean the drug is killing them. A paper published in The Lancet has cast fresh ...

The U.S. Food and Drug Administration in March 2020 gave hydroxychloroquine emergency use authorization as a COVID-19 treatment, but rescinded it three months later as data showed it was ineffective ...

This week marks five years since March 13, 2020, the day President Donald Trump declared a national state of emergency over the novel coronavirus outbreak. The White House issued The President's ...

Current use of hydroxychloroquine is associated with a lower risk for myocardial infarction (MI), stroke, and other thromboembolic events in patients with systemic lupus erythematosus (SLE). This ...

Dozens of new clinical trials into the controversial antimalarial drug hydroxychloroquine have been registered with the U.S. government since President Trump first advertised it as a potential “game ...