2022
DOI: 10.1177/10600280221113572
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Systematic Review of Psychiatric Adverse Effects Induced by Chloroquine and Hydroxychloroquine: Case Reports and Population Studies

Abstract: Objective: To perform a systematic review on the psychiatric adverse effects of chloroquine (CQ) and hydroxychloroquine (HCQ); to summarize what is known about psychiatric adverse effects of these drugs; to compare clinical trials, populational studies, and case report studies; and to increase awareness of the potential psychiatric adverse effects of these drugs. Data Sources: A literature search of PubMed, Scopus, and Web of Science was performed to identify manuscripts published between December 1962 and Jun… Show more

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Cited by 3 publications
(3 citation statements)
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References 77 publications
(181 reference statements)
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“…Earlier studies have suggested that HCQ can lead to psychiatric side effects like emotional lability, anxiety symptoms and even psychotic breakdowns. 30 In the present study, patients who were receiving HCQ reported higher scores on PHQ-9 and PHQ-15. As this was a cross-sectional study, it is difficult to draw a cause-effect relationship, but these findings suggest that there is a need to screen SLE patients for psychiatric morbidity, before starting HCQ.…”
Section: Discussionsupporting
confidence: 46%
“…Earlier studies have suggested that HCQ can lead to psychiatric side effects like emotional lability, anxiety symptoms and even psychotic breakdowns. 30 In the present study, patients who were receiving HCQ reported higher scores on PHQ-9 and PHQ-15. As this was a cross-sectional study, it is difficult to draw a cause-effect relationship, but these findings suggest that there is a need to screen SLE patients for psychiatric morbidity, before starting HCQ.…”
Section: Discussionsupporting
confidence: 46%
“…Notably, there is evidence suggesting a direct relationship between acute psychosis and antibiotic exposure, with macrolides and fluoroquinolones presenting the greatest increased odds of psychosis [ 61 ]. Similarly, for the antimalarial hydroxychloroquine, which was one of the most promising therapies tested in patients with COVID-19 at the beginning of the pandemic, a documented association with neuropsychiatric adverse effect, including acute psychosis, is well established [ 62 , 63 , 64 , 65 ]. Hydroxychloroquine typically crosses the blood–brain barrier to concentrate within the CNS [ 66 , 67 , 68 , 69 ].…”
Section: Covid-19 and New-onset Psychosis: Possible Confoundersmentioning
confidence: 99%
“…This issue can be explained by the low prevalence of neuropsychiatric side effects of SSZ and HCQ, as well as the short duration of treatment in previous studies. Nonetheless, in patients receiving SSZ/HCQ over a long period of time, it is possible to identify neuropsychiatric side effects [14].…”
Section: Introductionmentioning
confidence: 99%