Findings

What do systematic reviews say?

2 questions · 2 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 2 · 100%High 0 · 0%

Participants with any adverse events · people who have been exposed to SARS‐CoV‐2

Hydroxychloroquine (HCQ) probably leads to higher participants with any adverse events compared with placebo (moderate certainty).

1 finding from 1 review

Chloroquine or hydroxychloroquine for prevention and treatment of COVID‐19 2021 · Cochrane Headline outcomes only
RR 2.39 [1.83, 3.11]
1 study · 700 participants
Moderate

Participants with any adverse events · adults with mild to severe COVID‐19

Hydroxychloroquine (HCQ) probably leads to higher participants with any adverse events compared with standard care or placebo (moderate certainty).

1 finding from 1 review

Chloroquine or hydroxychloroquine for prevention and treatment of COVID‐19 2021 · Cochrane Headline outcomes only
RR 2.9 [1.49, 5.64]
6 studies · 1394 participants
Moderate