To prevent relapse, children and adult (except pregnant women, infants aged < 1 months and women breastfeeding infants aged < 1 months, and people with glucose-6-phosphate dehydrogenase (G6PD) deficiency), primaquine should be given at a high total dose (7 mg/kg) at 0.5 mg/ kg/day for 14 days or 1 mg/kg/day for 7 days for prevention of relapses in patients with uncomplicated P. vivax or P. ovale malaria.