In a hospital, observed by staff, near other meds and a crash cart to start with, is a situation with nearly manageable risks for a hydroxychloroquine treatment that hasn’t shown efficacy more than anecdotally.
This is not a Zpack we’re talking about.
There are other treatments that trump doesn’t have pecuniary interest in that are also FDA approved for other conditions, show more efficacy so far, and have less awful track record with patients showing side effects.