{"id":9264,"date":"2020-07-31T14:00:19","date_gmt":"2020-07-31T21:00:19","guid":{"rendered":"https:\/\/www.everywomanover29.com\/blog\/?p=9264"},"modified":"2020-08-15T22:34:59","modified_gmt":"2020-08-16T05:34:59","slug":"hydroxychloroquine-and-chloroquine-antimalarial-drugs-quinism-and-the-risk-of-sudden-and-lasting-neuropsychiatric-effects","status":"publish","type":"post","link":"https:\/\/www.everywomanover29.com\/blog\/hydroxychloroquine-and-chloroquine-antimalarial-drugs-quinism-and-the-risk-of-sudden-and-lasting-neuropsychiatric-effects\/","title":{"rendered":"Hydroxychloroquine and chloroquine (antimalarial drugs): quinism and the risk of sudden and lasting neuropsychiatric effects"},"content":{"rendered":"<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-9265\" src=\"https:\/\/www.everywomanover29.com\/blog\/wp-content\/uploads\/2020\/07\/hydroxychloroquine-.png\" alt=\"Hydroxychloroquine\" width=\"940\" height=\"492\" srcset=\"https:\/\/www.everywomanover29.com\/blog\/wp-content\/uploads\/2020\/07\/hydroxychloroquine-.png 940w, https:\/\/www.everywomanover29.com\/blog\/wp-content\/uploads\/2020\/07\/hydroxychloroquine--300x157.png 300w, https:\/\/www.everywomanover29.com\/blog\/wp-content\/uploads\/2020\/07\/hydroxychloroquine--768x402.png 768w, https:\/\/www.everywomanover29.com\/blog\/wp-content\/uploads\/2020\/07\/hydroxychloroquine--610x319.png 610w\" sizes=\"(max-width: 940px) 100vw, 940px\" \/><\/p>\n<p><a href=\"https:\/\/quinism.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">The Quinism Foundation<\/a>, a nonprofit charitable organization \u201c<em>promotes and supports education and research on quinism, the family of medical disorders caused by poisoning by mefloquine, tafenoquine, chloroquine, and related quinoline drugs.<\/em>\u201d<\/p>\n<p>Executive Director of the foundation, Dr. Remington Nevin, MD, MPH, DrPH, is a Johns-Hopkins trained psychiatric epidemiologist and drug safety expert and former U.S. Army public health physician. He has <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/?term=nevin+rl+mefloquine&amp;sort=date&amp;size=200\" target=\"_blank\" rel=\"noopener noreferrer\">published extensively on the subject<\/a>.<\/p>\n<p>The foundation share the symptoms of chronic quinoline encephalopathy, also known as neuropsychiatric quinism:<\/p>\n<blockquote><p>The term \u201cquinism\u201d may seem new, but the symptoms of poisoning by mefloquine (previously marketed as Lariam\u00ae), tafenoquine (marketed as Krintafel\u00ae and Arakoda&#x2122;), chloroquine (marketed as Aralen\u00ae), and related quinoline drugs are all too familiar: Tinnitus. Dizziness. Vertigo. Paresthesias. Visual disturbances. Gastroesophageal and intestinal problems. Nightmares. Insomnia. Sleep apnea. Anxiety. Agoraphobia. Paranoia. Cognitive dysfunction. Depression. Personality change. Suicidal thoughts.<\/p>\n<p>These symptoms are not \u201cside effects,\u201d they are symptoms of poisoning by a class of drug that is neurotoxic and that injures the brain and brainstem. This poisoning causes a disease, and this disease has a name: Chronic quinoline encephalopathy \u2014 also known as quinism.<\/p><\/blockquote>\n<p>In March they published this press release: <a href=\"https:\/\/quinism.org\/press-releases\/dangers-of-antimalarial-quinolines-against-covid-19\/\" target=\"_blank\" rel=\"noopener noreferrer\">The Quinism Foundation Warns of Dangers from Use of Antimalarial Quinolines Against COVID\u201119<\/a>. Here are some highlights:<\/p>\n<ul>\n<li><em>A risk of sudden and lasting neuropsychiatric effects from the use of antimalarial quinolines against COVID\u201119, the disease caused by the novel coronavirus<\/em><\/li>\n<li><em>In susceptible individuals, these drugs act as idiosyncratic neurotoxicants, potentially causing irreversible brain and brainstem dysfunction, even when used at relatively low doses<\/em><\/li>\n<\/ul>\n<p>What is concerning is lasting neuropsychiatric effects and the fact that even low doses can cause irreversible effects. The Foundation \u201c<em>has urged policy makers, physicians, and members of the public to be alert to such effects.\u201d<\/em><\/p>\n<p>Dr. Nevin states that \u201c<em>these are not safe drugs<\/em>\u201d and \u201c<em>While it may be tempting to attribute anxiety, depression, paranoia, or other mental health symptoms to the psychological effects of the COVID\u201119 pandemic, these symptoms may be an early warning sign of idiosyncratic neurotoxicity, and must be taken seriously.\u201d\u00a0 <\/em><\/p>\n<p>You can read the entire <a href=\"https:\/\/quinism.org\/press-releases\/dangers-of-antimalarial-quinolines-against-covid-19\/\" target=\"_blank\" rel=\"noopener noreferrer\">March 2020 press release here<\/a>. It contains a link to <a href=\"https:\/\/www.fda.gov\/safety\/medwatch-fda-safety-information-and-adverse-event-reporting-program\" target=\"_blank\" rel=\"noopener noreferrer\">U.S. Food and Drug Administration\u2019s MedWatch program<\/a>\u00a0for reporting adverse effects.<\/p>\n<p>Another <a href=\"https:\/\/quinism.org\/newsletters\/july-28-2020\/\" target=\"_blank\" rel=\"noopener noreferrer\">press release published late July<\/a>\u00a0also cautions the use of tafenoquine against COVID-19 which The Qunism Foundation states \u201c<em>is a neurotoxic quinoline antimalarial drug with a similar adverse effect profile to mefloquine<\/em>.\u201d<\/p>\n<h3>New COVID-19 research on chloroquine and hydroxychloroquine<\/h3>\n<p>It\u2019s encouraging to see that new research published on COVID-19 and these medications also highlights the possibility of neuropsychiatric side effects (even through the authors state it\u2019s considered uncommon): <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC7341047\/\" target=\"_blank\" rel=\"noopener noreferrer\">Psychiatric Aspects of Chloroquine and Hydroxychloroquine Treatment in the Wake of COVID-19: Psychopharmacological Interactions and Neuropsychiatric Sequelae<\/a><\/p>\n<blockquote><p>&#8230;neuropsychiatric side effects are very uncommon but possible, and include a potentially prolonged phenomenon of \u201cpsychosis following chloroquine.\u201d Hydroxychloroquine has less information available about its neuropsychiatric side effects than chloroquine, with psychosis literature limited to several case reports<\/p><\/blockquote>\n<h3>Case reports on psychiatric symptoms induced by hydroxychloroquine<\/h3>\n<p>Here is one of these case reports: <a href=\"https:\/\/journals.sagepub.com\/doi\/10.1177\/0961203314558863?url_ver=Z39.88-2003&amp;rfr_id=ori%3Arid%3Acrossref.org&amp;rfr_dat=cr_pub++0pubmed&amp;\" target=\"_blank\" rel=\"noopener noreferrer\">Psychiatric symptoms induced by hydroxychloroquine<\/a>.\u00a0 <i><\/i>A 36-year-old woman was diagnosed with Systemic Lupus Erythematosus (SLE) and antiphospholipid syndrome, and was treated with prednisone 10\u2009mg and hydroxychloroquine 200\u2009mg every 24 hours. Her arthritis improved but<\/p>\n<p style=\"padding-left: 40px;\"><i>One month after initiation of treatment, the patient began with generalized anxiety, suicidal ideation and the appearance of auditory and kinaesthetic [tactile] hallucinations.<\/i><\/p>\n<p>She had similar adverse effects 5 years later\u00a0 when hydroxychloroquine (without prednisone) was prescribed following an outbreak of cutaneous SLE<\/p>\n<p style=\"padding-left: 40px;\"><i>A week later, the patient was admitted to the Department of Psychiatry because of suicidal ideation, self-harm and kinaesthetic and auditory hallucinations, which improved after withdrawal of hydroxychloroquine and treatment in a psychiatric setting.\u00a0<\/i><\/p>\n<p style=\"padding-left: 40px;\"><i>Since then, the patient has not been taking hydroxychloroquine and has had no further episodes of kinaesthetic [tactile] or auditory hallucinations.<\/i><\/p>\n<p>Here are two other case reports: <a href=\"https:\/\/www.cambridge.org\/core\/journals\/acta-neuropsychiatrica\/article\/hydroxychloroquineinduced-acute-psychosis-in-a-systemic-lupus-erythematosus-female\/B796389DBD4488A787133FBA326C1C3D\" target=\"_blank\" rel=\"noopener noreferrer\">Hydroxychloroquine-induced acute psychosis in a systemic lupus erythematosus female <\/a>and <a href=\"https:\/\/dusunenadamdergisi.org\/article\/427\" target=\"_blank\" rel=\"noopener noreferrer\">Hydroxychloraquine-induced acute psychotic disorder in a female patient with rheumatoid arthritis: a case report<\/a>.<\/p>\n<h3>Risk factors for susceptibility<\/h3>\n<p>This review article from 2018, <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29948492\/\" target=\"_blank\" rel=\"noopener noreferrer\">Neuropsychiatric clinical manifestations in elderly patients treated with hydroxychloroquine: A review article<\/a> mentions that these adverse events can range from less severe nervousness to \u201c<i>actual psychosis and suicidal tendencies.\u201d\u00a0<\/i><\/p>\n<p>It also lists possible risk factors that may make certain individuals more susceptible:<\/p>\n<p style=\"padding-left: 40px;\"><i>co-exposure to interacting drugs, alcohol intake, familial history of psychiatric diseases, female gender, and the concomitant use of low-dose glucocorticoids [such as prednisone].\u00a0<\/i><\/p>\n<h3>Malaria drug causes brain damage that mimics PTSD<\/h3>\n<p>I first learned of this neuropsychiatric connection a number of years ago when I read about the \u201c<em>case of a service member diagnosed with post-traumatic stress disorder but found instead to have brain damage caused by a malaria drug<\/em>.\u201d You can read about this here &#8211; <a href=\"https:\/\/www.militarytimes.com\/news\/your-military\/2016\/08\/11\/malaria-drug-causes-brain-damage-that-mimics-ptsd-case-study\/\" target=\"_blank\" rel=\"noopener noreferrer\">Malaria drug causes brain damage that mimics PTSD: case study<\/a>.<\/p>\n<p>A few years ago I also blogged about the anti-malaria medication mefloquine and how it was known to contribute to neuropsychiatric symptoms in susceptible individuals: <a href=\"https:\/\/www.everywomanover29.com\/blog\/ptsd-3-tours-afghanistan-can-gaba-help-anxiety\/\" target=\"_blank\" rel=\"noopener noreferrer\">PTSD from 3 tours in Afghanistan: Can GABA help with the anxiety?<\/a><\/p>\n<h3>My concerns about long-term prophylactic use and lack of awareness<\/h3>\n<p>My concerns are long-term prophylactic use. There are a number of clinical trials planned or in progress for long-term use in healthcare workers. If they are stressed, anxious, depressed and exhausted because of the COVID-19 work they have been doing, they may incorrectly attribute some of their symptoms to all that rather than the medication side-effects. And if they do get COVID-19, they may confuse the <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC7332267\/\" target=\"_blank\" rel=\"noopener noreferrer\">neurological and psychiatric effects of COVID-19<\/a>\u00a0with those of chloroquine or hydroxychloroquine.<\/p>\n<p>What also concerns me is the lack of awareness. None of the advocates of this class of medications mentions quinism, the possible neuropsychiatric side-effects and long-term risks, or who may be susceptible.<\/p>\n<p>I would be very happy if chloroquine or hydroxychloroquine is found to be a solution (or part of a solution) for COVID-19 &#8211; alone or in combination with zinc &#8211; for certain individuals.<\/p>\n<p>But I believe we do need to be very aware about side-effects as serious as these. I\u2019d also like to see education for healthcare providers and the consumer, as well as informed consent for the consumer.<\/p>\n<h3>Similar concerns with other medications<\/h3>\n<p>In the past I\u2019ve written about similar concerns with other medications such as benzodiazepines, SSRIs and fluoroquinolone antibiotics:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.everywomanover29.com\/blog\/antibiotic-anxiety-fluoroquinolone\/\" target=\"_blank\" rel=\"noopener noreferrer\">Antibiotic Induced Anxiety \u2013 How Fluoroquinolone Antibiotics Induce Psychiatric Illness Symptoms<\/a><\/li>\n<li><a href=\"https:\/\/www.everywomanover29.com\/blog\/world-benzodiazepine-awareness-day-say-no-benzodiazepines-anxiety\/\" target=\"_blank\" rel=\"noopener noreferrer\">World Benzodiazepine Awareness Day \u2013 say NO to Benzodiazepines for anxiety!\u00a0<\/a><\/li>\n<li><a href=\"https:\/\/www.everywomanover29.com\/blog\/the-benzodiazepine-valium-blocks-dao-and-impacts-histamine-levels-wisdom-from-yasmina-ykelenstam\/\" target=\"_blank\" rel=\"noopener noreferrer\">The benzodiazepine valium blocks DAO and impacts histamine levels: wisdom from Yasmina Ykelenstam and a tribute to her brilliance<\/a><\/li>\n<li><a href=\"https:\/\/www.everywomanover29.com\/blog\/little-evidence-for-ssri-use-in-anxiety-and-compulsions-in-asd-my-interview-on-nourishing-hope-for-autism-summit\/\" target=\"_blank\" rel=\"noopener noreferrer\">Little evidence for SSRI use in anxiety and compulsions in ASD: my interview on Nourishing Hope for Autism Summit\u00a0<\/a><\/li>\n<\/ul>\n<h3>Your feedback and questions so we can all learn<\/h3>\n<p>I encourage you to keep all this in mind as you navigate what you hear in the news, read on social media and\/or read in the research on hydroxychloroquine.<\/p>\n<p>Keep all this in mind too if you have future plans to travel to a malaria area for a vacation in the future (wouldn\u2019t we love that &#8211; a trip!?).<\/p>\n<p>Have you used chloroquine or hydroxychloroquine for COVID-19 and experienced psychiatric side-effects? Or know someone who has?<\/p>\n<p>Have you used antimalarial medications in the past and experienced psychiatric side-effects? Was this a short-course or long-term prophylactic use?<\/p>\n<p>Have you used these medications for lupus or rheumatoid arthritis with success and without psychiatric side-effects? Or have you experienced adverse effects and had to stop?<\/p>\n<p>If you have had adverse psychiatric effects please share which medication, dosage and frequency? Also do you have any of the predisposing risk factors: alcohol intake at the time, history of psychiatric diseases (you or family members), are female, and were also prescribed low-dose glucocorticoids such as prednisone, and\/or other medications (and which ones)?<\/p>\n<p>Feel free to post your questions here too.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Quinism Foundation, a nonprofit charitable organization \u201cpromotes and supports education and research on quinism, the family of medical disorders caused by poisoning by mefloquine, tafenoquine, chloroquine, and related quinoline drugs.\u201d Executive Director of the foundation, Dr. Remington Nevin, MD, MPH, DrPH, is a Johns-Hopkins trained psychiatric epidemiologist and drug safety expert and former U.S. [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9265,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":"","_links_to":"","_links_to_target":""},"categories":[1897],"tags":[1911,1900,46,677,1899,1915,1912,1769,1825,48,1908,858,1898,152,1902,1906,1903,1909,1905,1913,1901,1904,1910,199,1914,1907,1474],"class_list":["post-9264","post","type-post","status-publish","format-standard","has-post-thumbnail","category-medication","tag-agoraphobia","tag-antimalarial-drugs","tag-anxiety","tag-benzodiazepines","tag-chloroquine","tag-chronic-quinoline-encephalopathy","tag-cognitive-dysfunction","tag-coronavirus","tag-covid-19","tag-depression","tag-dizziness","tag-fluoroquinolone-antibiotics","tag-hydroxychloroquine","tag-insomnia","tag-lasting-neuropsychiatric-effects","tag-mental-health-symptoms","tag-neuropsychiatric","tag-nightmares","tag-paranoia","tag-personality-change","tag-quinism","tag-quinism-foundation","tag-sleep-apnea","tag-ssri","tag-suicidal","tag-tinnitus","tag-vertigo","entry"],"yoast_head":"<!-- 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