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. Sle and plaquenil The looks of a plaquenil pill Mucinex and hydroxychloroquine Hydroxychloroquine skin lightening Chloroquine enters the red blood cell by simple diffusion, inhibiting the parasite cell and digestive vacuole. Chloroquine then becomes protonated to CQ2+, as the digestive vacuole is known to be acidic pH 4.7; chloroquine then cannot leave by diffusion. 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. Chloroquine Oral tablet drug summary. Find medication information including related drug classes, side effects, patient statistics and answers to frequently asked questions. Visit for more details. 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 A Simple Way to Choose Medication to Prevent Malaria in., Chloroquine - FDA prescribing information, side effects and uses Whorl keratopathy plaquenilAralen patient teachingWho makes generic plaquenil 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 Oral Uses, Side Effects, Interactions.. Chloroquine Oral Tablet Drug Information, Side Effects, Faqs. Chloroquine MedlinePlus Drug Information. Chloroquine also known as chloroquine phosphate is an antimalarial medicine. It is available in the. The weekly dosage for adults is 300mg base 500mg salt. Chloroquine resistance Chloroquine is not effective against chloroquine- or hydroxychloroquine-resistant strains of Plasmodium species. Chloroquine resistance is widespread in P. falciparum and is reported in P. vivax. Prior to initiation of chloroquine for prophylaxis, it should be determined if chloroquine is appropriate for use in the. 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.