(CNN) President Donald Trump said Wednesday that the US Food and Drug Administration would be putting out "some very strong recommendations" regarding the use of flavored e-cigarettes in "a couple of weeks."

Health and Human Services Secretary Alex Azar, seated in the Oval Office with the President, first lady Melania Trump and the acting commissioner of the FDA, announced that newly proposed enforcement policy would require flavored e-cigarette companies to take their products off the market.

"It'll take several weeks for us to put out the final guidance that will announce all the parameters around the enforcement policy, and then there will likely be about a 30-day delay to effective date, as is customary," Azar said. But "at that point all flavored e-cigarettes other than tobacco flavor would have to be removed from the market."

By May 20, he said, e-cigarette companies making tobacco-flavored products would have the chance to file for approval by the FDA. At that time, flavored-product manufacturers would also have the opportunity to file, but their products would be off the market until approved.

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