India, June 5 -- Donald Trump has removed a widely used hair-loss treatment from his publicly disclosed medications-and the reason remains unclear.

Finasteride, an anti-balding medication marketed as Propecia, is taken by millions of men in the U.S. annually, yet it has not been listed in any of the president's medical reports since he resumed his position in the White House last January, according to the Washington Post. This absence includes his most recent report, which was published last week.

The report states that Trump's advisors have refrained from explaining why the medication is not included on the list or if its omission indicates that the president is no longer using it. Possible side effects may encompass depression, sexual...