Why was Donald Trump REALLY given dexamethasone to treay Covid-19?

Over the weekend, the US President's medical team revealed he had been put on dexamethasone, a cheap steroid that became the first drug proven to benefit people with Covid-19 in June. https://www.dailymail.co.uk/news/article-8805545/Why-Donald-Trump-REALLY-given-dexamethasone-treay-Covid-19.html?ns_mchannel=rss&ns_campaign=1490&ito=1490