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. Plaquenil pharmacology Effects of hydroxychloroquine Hydroxychloroquine originally from bark Chloroquine phosphate is a medication used to prevent and to treat malaria in areas where malaria is known to be sensitive to its effects. Storage Chloroquine phosphate should be stored in a well-closed container at low temperature, keep away from moisture, heat and light. USP Chloroquine phosphate United States Pharmacopeia USP Reference Standard Synonym N 4-7-Chloro-4-quinolinyl-N 1,N 1-dimethyl-1,4-pentanediamine diphosphate salt, Chloroquine diphosphate salt CAS Number 50-63-5. Empirical Formula Hill Notation C 18 H 26 ClN 3 2H 3 PO 4. Molecular Weight 515.86. Beilstein/REAXYS Number 4223142. 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. 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 phopshate usp Chloroquine Phosphate Chloroquine Hydrochloride Injection, Chloroquine phosphate United States Pharmacopeia USP. Lysosomal swelling by chloroquineChloroquine eye toxicityMaleria medicine and other uses plaquenilDoes marijuanna interact w plaquenil The exporter and/or importer of record is responsible for determining the accuracy of items at the time of export/import per U. S. regulations. USP is not responsible for the accuracy or completeness of the information furnished. Chloroquine Phosphate 500 mg. CHLOROQUINE PHOSPHATE, USP - Sanofi. CHLOROQUINE PHOSPHATE, USP. Chloroquine phosphate tablets, Chloroquine phosphate, USP, is a 4-aminoquinoline compound for oral administration. It is a white, odorless, bitter tasting, crystalline substance, freely soluble inwater. Chloroquine phosphate tablets are an antimalarial and amebicidal drug. Chloroquine Phosphate. Chloroquine is used to prevent or treat malaria caused by mosquito bites in countries where malaria is common. Malaria parasites can enter the body through these mosquito bites, and then live in body tissues such as red blood cells or the liver. Chloroquine phosphate is used occasionally to decrease the symptoms of rheumatoid arthritis and to treat systemic and discoid lupus erythematosus, scleroderma, pemphigus, lichen planus, polymyositis, sarcoidosis, and porphyria cutanea tarda.