Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking chloroquine: Incidence not known Some side effects of chloroquine may occur that usually do not need medical attention. How often is plaquenil taken in the population Natural substitute for plaquenil Hydroxychloroquine dose for rheumatoid arthritis Use chloroquine 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 less than 50 bpm, myocardial infarction, hypertension. If chloroquine should indeed inhibit the biosynthesis of sialic acid, this effect could explain not only the effects of chloroquine on HIV and SARS coronavirus sialic acid moieties are present in HIV-1 glycoproteins and SARS coronavirus receptor ACE2, but also the in-vitro effects on orthomyxoviruses which use sialic acid moieties as receptors VA Disability Compensation Benefits Claims Research Forum; Existing user? Sign In Sign In Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Advantages of chloroquine Chloroquine Oral Uses, Side Effects, Interactions., New insights into the antiviral effects of chloroquine. Plaquenil maculopathy autofluorescence Chloroquine belongs to the class of medications called antimalarials. This medication is used to treat and prevent attacks of malaria. It works by killing malaria parasites, most likely by damaging. Teva-Chloroquine - Uses, Side Effects, Interactions.. HUGE news! Chloroquine effective treating coronavirus.. Chloroquine - FDA prescribing information, side effects and uses. Total dose 2.5 g of chloroquine phosphate 1.5 g base in 3 days. If your body weight is less than 60 kg, use oral medication at a dose of Initial dose 16.7 mg Chloroquine phosphate / kg 10 mg base / kg Second dose 6 hours after initial dose 8.3 mg chloroquine phosphate / kg 5 mg base / kg Aralen chloroquine phosphate is an antimalarial drug used to treat and to prevent malaria. It is also used to treat infections caused by amoebae. It is also used to treat infections caused by amoebae. Chloroquine is used to treat and to prevent malaria. Chloroquine is also used to treat amebiasis infection caused by amoebae. Chloroquine may also be used for purposes not listed in this medication guide.