I linked here to a study in a prestigious medical journal, Lancet, that showed hospitalized Covid patients who took hydroxychloroquine (HCQ) had a much higher probability of dying than those who didn't. The authors later determined they'd used bogus data, and the paper was withdrawn. And Why_Yes_I_Do and eccielover gleefully sent me running with my tail between my legs, ashamed and humiliated. As such, I'm reluctant to weigh in.
HOWEVER, here's the latest "study of studies" or meta study on HCQ. They concluded that there's no benefit to using HCQ to treat Covid 19 and there's no benefit to taking it as a preventative measure. And there are significant side effects:
https://www.medrxiv.org/content/10.1....14.20065276v5
On the other hand, here's a single study, that concluded HCQ works in a hospital setting. I've read elsewhere that the patients in this study weren't as sick as those in some others, so that now some believe HCQ may have some benefits early but not after you're really, really sick:
https://www.ijidonline.com/article/S...534-8/fulltext
I wouldn't take the stuff myself, I'd prefer they give me something like Remdesivir or Dexamethasone, which are known to work.