Given the studies that reveal possible side effects of this drug, the Brazilian president said that, as part of democracy, "Nobody is forced to take chloroquine", but he will not have a conscience charge if someone wanted to take it and could not.
Brazil - now home to the third-highest number of cases in the world after the U.S. and Russian Federation - has recorded more than 20,000 deaths and hit a record 24-hour toll of 1,188. While officials attribute this to the young population of Brazil, critics say it is due to violation of coronavirus guidelines by those who are aged under 60 years.
Brazil has reported 271,628 confirmed cases of the virus and 17,971 deaths.
The number of cases reported in the country is usually highest mid-week, as laboratories resume full testing capacity after the weekend.
President Donald Trump and his administration are now considering a travel ban on Brazil after the South American country's confirmed number of infections hit 275,000, the third-highest number of nationwide cases worldwide.
Brazil has now had over 18,000 deaths to date and still has over 275,000 current cases, according to Johns Hopkins University.
The guidelines, which apply to the public health system, leave the final decision on using the drugs up to doctors and their patients.
The country of 210 million people has had a disjointed response to the pandemic.
Bolsonaro has compared the new coronavirus to a "little flu" and condemned the "hysteria" around it, arguing lockdown measures would trigger an economic crisis that could cause more death and suffering than the virus itself.
Brazil's Socialism and Freedom Party (PSOL) moved an impeachment motion in the Congress against President Jair Bolsonaro on Thursday over his handling of the pandemic.
According to a report by Brazilian media outlet G1, the day began with less vehicle traffic than usual, but shops were open and people were out on the streets.
"Brazil needs to be united", said Doria.
"A hope, as reported by many who used it", Bolsonaro said Wednesday, a day after his United States counterpart, Donald Trump, announced that he will continue to take hydroxychloroquine because he is "curious" about its effects.