Is Quercetin a Safer Alternative to Hydroxychloroquine?
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Is Quercetin a Safer Alternative to Hydroxychloroquine?

Seventy-five COVID-19 patients at 16 Chinese treatment centers received 1,200 milligrams of hydroxychloroquine in addition to standard of care for the first three days of treatment, followed by a maintenance dose of 800 mg per day for two weeks in mild to moderate cases and three weeks for severe cases.

 Another 75 patients received standard of care only. The primary endpoint was a 28-day negative conversion rate of SARS-CoV-2 (viral load reduction). Secondary endpoints included improvement rate of clinical symptoms and the normalization of C-reactive protein and blood lymphocyte count within 28 days. According to the authors, the hydroxychloroquine group only had a 28-day negative conversion rate of 85.4% compared to the control group’s rate of 81.3%. No difference in the alleviation of symptoms was observed between the two groups. Adverse events were also higher in the hydroxychloroquine group (30%) compared to controls (8.8%). You can find a listing of the adverse events in Table 2 of the study.5 The most common adverse event, at 10%, was diarrhea. That said, the authors point out that