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Small-Scale Question Sunday for September 24, 2023

Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?

This is your opportunity to ask questions. No question too simple or too silly.

Culture war topics are accepted, and proposals for a better intro post are appreciated.

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Hydroxychloroquine is used to treat malaria. It is also used to prevent malaria infection in areas or regions where it is known that other medicines (eg, chloroquine) may not work. Hydroxychloroquine may also be used to treat coronavirus (COVID-19) in certain hospitalized patients.

Using this medicine alone or with other medicines (eg, azithromycin) may increase your risk of heart rhythm problems (eg, QT prolongation, ventricular fibrillation, ventricular tachycardia). Hydroxychloroquine should only be used for COVID-19 in a hospital or during clinical trials. Do not take any medicine that contains hydroxychloroquine unless prescribed by your doctor.

What's going on here? A hat tip to the crazies who really want to use it despite lack of evidence, or has The Science changed, and I should pray they do not alter it any further?

I’m still not seeing evidence that it works, much less that it’s a “silver bullet.”

2021: literature review as of the Delta variant finds null effect, albeit with “low confidence”. Taiwanese authors.

2021: meta-analysis finds no clinical benefits with “moderate” confidence. Brazilian authors.

2022: Another Brazilian study and meta-analysis. No significant effect on outpatients.

2023: No significant effect. Most recent meta-analysis that I’ve found. American lead authors.

2023: Indian RCT (n = 594) finds insignificant effect. This was the most recent individual research I found with a casual search.

I don’t think anything has upturned the consensus. Sites are still reporting that HCQ doesn’t work and may also make you poop yourself. Not sure why Mayo has a different line; perhaps they’re just hedging?