Chloroquine has been extensively used in mass drug administrations, which may have contributed to the emergence and spread of resistance. It is recommended to check if chloroquine is still effective in the region prior to using it. Chloroquine diphosphate and penicillin Antimalarial drugs chloroquine and primaquine Usual Adult Dose for Malaria. 60 kg or more 1 g chloroquine phosphate 600 mg base orally as an initial dose, followed by 500 mg chloroquine phosphate 300 mg base orally after 6 to 8 hours, then 500 mg chloroquine phosphate 300 mg base orally once a day on the next 2 consecutive days Total dose 2.5 g chloroquine phosphate 1.5 g base in 3 days Summary. Aralen is the brand name for the generic drug chloroquine, an anti-malaria drug used to treat malaria and amebiasis infection that's spread outside of the intestines. Dosage, drug interactions, and pregnancy and breastfeeding safety information should be reviewed prior to taking this drug. Malaria. Prevention 500 mg 300 mg base PO once/week. Non-chloroquine-resistant. 1 g 600 mg base PO, THEN; 500 mg 300 mg base PO 6-8 hours later, THEN; 500 mg 300 mg base PO at 24 hours & 48 hours after initial dose; Amebiasis, Extraintestinal. 1 g 600 mg base PO qDay for 2 days, THEN. 500 mg 300 mg base qDay for 14-21 days The Centers for Disease Control and Prevention recommend against treatment of malaria with chloroquine alone due to more effective combinations. In areas where resistance is present, other antimalarials, such as mefloquine or atovaquone, may be used instead. Chloroquine diphosphate salt malaria Chloroquine Diphosphate Salt - MP Biomedicals, Aralen chloroquine Malaria Drug Side Effects & Dosage When is the best time to take plaquenilPlaquenil fights cancerCcca plaquenil Both adults and children should take one dose of chloroquine per week starting at least 1 week before. traveling to the area where malaria transmission occurs. They should take one dose per week while there, and for 4 consecutive weeks after leaving. The weekly dosage for adults is 300mg base 500mg salt. Medicines for the Prevention of Malaria While Traveling.. Aralen, Chloroquine phosphate chloroquine dosing.. DailyMed - CHLOROQUINE PHOSPHATE tablet. Chloroquine diphosphate is an antimalarial and anti-inflammatory drug widely used to treat malaria and rheumatoid arthritis. Chloroquine diphosphate is an inhibitor of autophagy and toll-like receptors TLRs. Chloroquine is the generic form of the brand-name prescription medicine Aralen, which is used to prevent and treat malaria — a mosquito-borne disease caused by a parasite — and to treat amebiasis, an infection of the intestines caused by a parasite. CHLOROQUINE PHOSPHATE, USP For Malaria and Extraintestinal Amebiasis DESCRIPTION ARALEN, chloroquine phosphate, USP, is a 4-aminoquinoline compound for oral administration. It is a white, odorless, bitter tasting, crystalline substance, freely soluble in water. ARALEN is an antimalarial and amebicidal drug.