Controlled studies in pregnant women show no evidence of fetal risk. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk. Animal studies show risk and human studies not available or neither animal nor human studies done. Contact the applicable plan provider for the most current information. D: Use in LIFE-THREATENING emergencies when no safer drug available. Chloroquine resistant falciparum malaria treatment Plaquenil and lupus rash Folic acid and hydroxychloroquine dosing sle CN 250 Chloroquine Phosphate 250 mg Pill with imprint CN 250 is White, Round and has been identified as Chloroquine Phosphate 250 mg. It is supplied by Rising Pharmaceuticals Inc. Chloroquine is used in the treatment of malaria; amebiasis; malaria prevention and belongs to the drug classes amebicides, antimalarial quinolines. FDA has not. Usual Adult Dose for Malaria Prophylaxis. 500 mg chloroquine phosphate 300 mg base orally on the same day each week Comments-If possible, suppressive therapy should start 2 weeks prior to exposure; if unable to start 2 weeks before exposure, an initial loading dose of 1 g chloroquine phosphate 600 mg base may be taken orally in 2 divided doses, 6 hours apart. 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. Active against erythrocytic forms of Plasmodium vivax & P. malariae and most strains of Plasmodium falciparum Precise mechanism not known Bioavailability: ~89% Peak plasma time: 1-2 hr Distributed widely in body tissues (eg, eyes, heart, kidneys, liver, lungs) where retention prolonged; crosses placenta; enters breast milk Partially in liver Half-life: 3-5 days Excretion: urine (~70% as unchanged drug); acidification of urine increases elimination Small amounts may be present in urine months following discontinuation of therapy The above information is provided for general informational and educational purposes only. Chloroquine phosphate 250 mg malaria CHLOROQUINE PHOSPHATE TABLETS BP 250MG, Chloroquine Dosage Guide with Precautions - What is plaquenilChloroquine and primaquine dosePlaquenil side effects dry skin Each tablet contains 155 mg of chloroquine base equivalent to 250 mg of chloroquine phosphate. Syrup contains 50 mg/5 mL of chloroquine base equivalent to 80 mg/5 mL of chloroquine phosphate. Chloroquine doses for the treatment and prophylaxis of malaria in BNF publications may differ from those in product literature. Important safety. CHLOROQUINE Drug BNF content published by NICE. Chloroquine Aralen - Side Effects, Dosage, Interactions - Drugs. Aralen, Chloroquine phosphate chloroquine dosing.. The dosage of chloroquine phosphate is often expressed in terms of equivalent chloroquine base. Each 250 mg tablet of chloroquine phosphate is equivalent to 150 mg base and each 500 mg tablet of chloroquine phosphate is equivalent to 300 mg base. In infants and children the dosage is preferably calculated by body weight. Chloroquine Phosphate is an antimalarial drug that is used to treat and prevent malaria. It kills malaria parasites by damaging their DNA. This medication is also used to treat infections caused by amoebae. The dosage of chloroquine phosphate is often expressed in terms of equivalent chloroquine base. Each 250 mg tablet of chloroquine phosphate is equivalent to 150 mg base. For malaria suppression Adult Dose 500 mg = 300 mg base on exactly the same day of each week.