Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine tablet brand name in india Plaquenil use in patients Plaquenil elevated liver enzymes Long QT syndrome LQTS is a condition which affects repolarization of the heart after a heartbeat. It results in an increased risk of an irregular heartbeat which can result in fainting, drowning, or sudden death. These episodes can be triggered by exercise or stress. QT interval prolongation = torsades de pointes. ECG VF. TCA NA. HCTZ = electrocardiogram = ventricular fibrillation = tricyclic antidepressant = not applicable = hydrochlorothiazide. a Associations are based on the strength of evidence that supports whether QT prolongation can occur. This categorization does not delineate an Hydroxychloroquine HCQ is a 4-aminoquinoline which differs from chloroquine CQ in the addition of a hydroxyl group. Initially used as antimalarials, both drugs have now become mainstays in the management of rheumatic diseases principally systemic lupus erythematosus SLE and rheumatoid arthritis RA. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine long qt Plaquenil hydroxychloroquine sulfate dosing, indications., Drugs Associated with QT Interval Prolongation Does plaquenil cause heart palpitationsChloroquine lupus nephritisHydroxychloroquine light sensitivityChloroquine alcohol use Hydroxychloroquine may cause a condition that affects the heart rhythm QT prolongation. QT prolongation can rarely cause serious rarely fatal fast/irregular heartbeat and other symptoms such. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine cardiotoxicity presenting as a rapidly.. DRUGS TO BE AVOIDED BY CONGENITAL LONG QT PATIENTS. QT Interval prolongation Hydroxychloroquine has the potential to prolong the QTc interval in patients with specific risk factors. Hydroxychloroquine should be used with caution in patients with congenital or documented acquired QT prolongation and/or known risk factors for prolongation of the QT internal such as • advanced age, Use hydroxychloroquine with caution in patients with cardiac disease or other conditions that may increase the risk of QT prolongation including cardiac arrhythmias, congenital long QT syndrome, heart failure, bradycardia, myocardial infarction, hypertension, coronary artery disease, hypomagnesemia, hypokalemia, hypocalcemia, or in patients receiving medications known to prolong the QT interval or cause electrolyte imbalances. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus.