Separately, the government is also considering relaxing export restrictions on a few non-essential medicines such as Vitamin-D drugs which are not immediately required. Diamond had asked Trump about the drug - but not Fauci.
The export of the drug may be allowed on a case-by-case basis, top government officials told ET.
Last week the Food and Drug Administration (FDA) provided hydroxychloroquine with an "emergency use authorization" to use on coronavirus patients in some circumstances. If it didn't work, at least it didn't kill patients, he said.
Even some of the most cautious Italian health officials seized on the figures as evidence that the tide may be turning in the deadliest disaster the country has faced since World War II. "But we're prepared", Trump said.
"They say take it", said Trump, without citing any experts or sources. "Don't believe anything. Don't believe anything that the president says and his people ... call your doctor".
The US is stockpiling massive doses of an anti-malarial drug hoped to be used to treat coronavirus despite its efficacy remaining unproven. Three people in Nigeria overdosed on the drug last month after the president said, without evidence, that the drug may be able to combat the novel coronavirus.
Why is Trump touting it?
Reporters tried to ask Fauci again about hydroxychloroquine Sunday, but Trump would not let him answer.
The Covid-19 National Containment Plan has also recommended hydroxychloroquine as a preventive measure for all those individuals moving out of the quarantined containment zones for essential services and also for household members of Covid-19 infected patients. In the U.S., the worst affected now by covid-19, infection numbers are headed towards the 340,000 mark with the death toll at over 9,600, according to the US-based Johns Hopkins University's live tracker of the disease.
Despite the heated exchange, Navarro claimed coronavirus patients in NY are being treated with the drug.
Hydroxychloroquine is an affordable drug, but now its purchase has been severely restricted.
Regardless of these findings, any drug being used for a certain objective before full clinical trials are completed is, by definition, untested and unproven.
"We hope we're seeing a levelling-off in the hottest spots of them all", Trump said.
"I can't take it anymore".
Are there any downsides to this drug being in demand?Taking it outside of a scientific experiment adds the risk of not having tracking in place to watch for any of these side effects or problems and quickly address them if they do occur. These include headaches, dizziness, stomach pain, weight loss and mood changes.
Prior to the ban, Cadila said it was planning to ramp up production of hydroxychloroquine tenfold to meet surging global demand. Plus, patients who've taken hydroxychloroquine for years have written to FiercePharma with concerns about their own supply of the medicine for proven uses, such as lupus.