This study is created by e Health Me based on reports of 48,911 people who have side effects when taking Plaquenil from Food and Drug Administration (FDA), and is updated regularly. On e Health Me, you can evaluate side effects and drug interactions from 16 million FDA reports. What happens if you stop plaquenil Hydroxychloroquine ppt Side effects of chloroquine overdose QT prolongation is a measure of delayed ventricular repolarisation, which can cause Torsades de Pointes, ventricular tachycardia, and sudden death. A corrected QT interval QTc of greater than 500 ms or an increase in the QTc of greater than 60 ms is considered to confer a high risk of Torsades de Pointes 3. After discontinuing the HCQ, the QT interval was shorter and the patient recovered after treatment with lidocaine and isoproterenol. CONCLUSION The chronic use of HCQ for rheumatic diseases, or as an anti-malarial drug, should be balanced against the risk of developing potentially lethal cardiac arrhythmias. Citalopram use at any dose is discouraged in patients with certain conditions because of the risk of QT prolongation, but because it may be important for some of those patients to use citalopram. You can also discuss your drugs with qualified professionals to ensure drugs are working to improve your health. The study is based on hydroxychloroquine sulfate (the active ingredients of Plaquenil) and Plaquenil (the brand name). Long qt syndrome (disorder of the heart's electrical system) has been reported by people with depression, high blood pressure, atrial fibrillation/flutter, pneumonia, schizophrenia. The results are personalized to your gender and age (0-99 ). Plaquenil and citalopram use cause qt prolongation Citalopram-induced QTc prolongation A brief review of the., Chronic hydroxychloroquine use associated with QT. How much is generic plaquenil If you have had any eye changes or changes in eyesight due to hydroxychloroquine or drugs like this one. If you have psoriasis. If you have porphyria. If you are taking cimetidine. If you are taking any drugs that can cause a certain type of heartbeat that is not normal prolonged QT interval. There are many drugs that can do this. Hydroxychloroquine Indications, Side Effects, Warnings.. Revised recommendations for Celexa. Interactions between Citalopram Oral and qt-prolonging.. Citalopram, escitalopram, and ondansetron are contraindicated in patients with a history of prolonged QT interval or congenital Long QT segment, as well as with concomitant use with drugs with the ability to prolong the QT interval. Cardiac Effects, including Cardiomyopathy and QT prolongation Postmarketing cases of life-threatening and fatal cardiomyopathy have been reported with use of Plaquenil as well as with use of chloroquine. Patients may present with atrioventricular block, pulmonary hypertension, sick sinus syndrome or with cardiac complications. Methods. A literature search was conducted of PubMed, MEDLINE, EMBASE, Scopus, and PsycINFO databases for case reports published in any language that reported the relationship between citalopram use and the development of QTc prolongation or torsades de pointes or both.