Malaria parasites can enter the body through these mosquito bites, and then live in body tissues such as red blood cells or the liver. This medication is used to kill the malaria parasites living inside red blood cells. Chloroquine plus primaquine Plaquenil side effects fluid retention Does prednisone and plaquenil work for ankylosing spondylitits Hydroxychloroquine multiple sclerosis Chloroquine is therefore used widely for P. vivax, P. malariae and P. ovale, but except in a very few areas has been replaced for P. falciparum treatment. The time-honoured oral chloroquine regimen of 25 mg base/kg spread over 3 days 10, 10, 5 or 10, 5, 5, 5 mg/kg at 24-hour intervals can be condensed into 36 hours of drug administration. Efficacy of 3 Regimens of Chloroquine and Primaquine for Treatment of P. Vivax Malaria, Cruzeiro do Sul, Acre, Brazil The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Chloroquine works best when you take it on a regular schedule. For example, if you are taking it once a week to prevent malaria, it is best to take it on the same day of each week. Make sure that you do not miss any doses. If you have any questions about this, check with your doctor. Both drugs may be needed for a complete cure and to prevent the return of infection (relapse). In some cases, you may need to take a different medication (such as primaquine) to kill the malaria parasites living in other body tissues. Regimens of chloroquine Chloroquine Phosphate Monograph for Professionals -, Efficacy of 3 Regimens of Chloroquine and Primaquine for Treatment of P. Chloroquine omeprazole The pharmacokinetics of chloroquine were studied in healthy volunteers who received one of three different multiple-dose regimens for 3 weeks once weekly 300 mg, twice weekly 200 mg and once daily 50 mg chloroquine. Plasma concentrations of chloroquine and metabolites were determined by h.p.l.c. with fluorescence detection. The pharmacokinetics of three multiple dose regimens of.. Chloroquine Oral Route Proper Use - Mayo Clinic. Medicines for the Prevention of Malaria While Traveling.. The treatment regimens for chloroquine-resistant P. vivax infections are quinine sulfate plus doxycycline or tetracycline, or, atovaquone-proguanil, or artemether-lumefantrine, or mefloquine. These treatment options are equally recommended. Chloroquine-sensitive uncomplicated malaria Plasmodium species or species not identified 600 mg base 1 g salt orally at once, followed by 300 mg base 500 mg salt orally at 6, 24, and 48 hours Total dose 1.5 g base 2.5 g salt Chloroquine overdose is a life-threatening emergency and should be managed with cardio-respiratory and hemodynamic support, monitoring of potassium along with management of arrhythmias and convulsions, as necessary. A patient who survives the acute phase and is asymptomatic should be closely observed until all clinical features of toxicity resolve.