Begin 1-2 days before travel, daily during travel, and for 7 days after leaving. Chloroquine is an anti-malaria medicine that works by interfering with the growth of parasites in the red blood cells of the human body. Hydroxychloroquine effects on kidneys Chloroquine phosphate for rheumatoid arthritis Chloroquine treatment lysosome Chloroquine phosphate tablets should not be used in these conditions unless the benefit to the patient outweighs the potential risks. Usage in Pregnancy Usage of Chloroquine during pregnancy should be avoided except in the prophylaxis or treatment of malaria when the benefit outweighs the potential risk to the fetus. CDC has published recommendations for malaria chemoprophylaxis for travelers to affected areas of East Africa 2; Fansidar* sulfadoxine 500 mg plus pyrimethamine 25 mg one tablet weekly PLUS chloroquine 300 mg base once weekly is currently recommended. Weekly doses of Fansidar and chloroquine may be taken together on the same day. Likewise, chloroquine is started 1 week prior to departure. Are you able to take medication for 4 weeks after you return? All medications except atovone/proguanil Malarone require you to take them for 4 weeks afterwards to eradicate any malaria parasites that may be hiding in your body. Malaria is common in areas such as Africa, South America, and Southern Asia. Parasites that cause malaria typically enter the body through the bite of a mosquito. Chloroquine weekly Chloroquine as weekly chemoprophylaxis or intermittent., Update Chloroquine-Resistant Plasmodium falciparum -- Africa Plaquenil in australiaAreas with chloroquine or mefloquine resistanceChloroquine mnemonicPlaquenil cause weight gain 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 Dosage Guide with Precautions -. A Simple Way to Choose Medication to Prevent Malaria in.. Aralen Chloroquine Uses, Dosage, Side Effects.. To prevent malaria, take chloroquine once weekly on the same day each week, or as directed by your doctor. Start this medication usually 1 to 2 weeks before you enter the malarious area, continue. Chloroquine is the drug of choice in the few malaria-endemic areas free of CRPf. Combining chloroquine and proguanil is an option for CRPf when other first-line antimalarials are contraindicated. Dosage should be calculated in terms of the base. The adult chloroquine dose is 300 mg base weekly or in some countries 100 mg base daily. Chloroquine can be used to treat porphyria cutanea tarda, but in a very low dose 125 mg twice weekly as a dosage of 250 mg/day can trigger a porphyria crisis, which can be fatal. Chloroquine is contraindicated where there is a known hypersensitivity to 4-aminoquinoline compounds.