Chloroquine phosphate, which has been used for more than 70 years and is on the World Health Organization’s List of Essential Medicines, the safest and most effective medicines needed in a health system. Chloroquine was discovered in 1934 by Hans Andersag but was initially ignored for a decade because it was considered too toxic for human use. Allergy to chloroquine which anti-malaria tablets should you take Does hydroxychloroquine cause diarrhea Hydroxychloroquine sulfate cas Apr 02, 2019 chloroquine phosphate Tablets for Oral Administration, USP. 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. Chloroquine Phosphate is the phosphate salt of chloroquine, a quinoline compound with antimalarial and anti-inflammatory properties. Chloroquine is the most widely used drug against malaria, except for those cases caused by chloroquine resistant Plasmodium falciparum. The dose of chloroquine is often expressed or calculated as the base each 500 mg tablet of chloroquine phosphate is equivalent to 300 mg chloroquine base. -The pediatric dose should never exceed the adult dose. Aside from preventing and treating malaria, chloroquine is also occasionally used for amebiasis that is occurring outside the intestines, rheumatoid arthritis, and lupus erythematosus. During World War II, United States government-sponsored clinical trials for antimalarial drug development showed unequivocally that chloroquine has a significant therapeutic value as an antimalarial drug. Chloroquine phosphate lupus Chloroquine MedlinePlus Drug Information, Chloroquine phosphate C18H32ClN3O8P2 - PubChem Delayed side effects plaquenil Adults 250 mg P. O. daily chloroquine phosphate with evening meal. Lupus erythematosus. Adults 250 mg P. O. daily chloroquine phosphate with evening meal; reduce dosage gradually over several months when lesions regress. Pharmacodynamics Antimalarial action Chloroquine binds to DNA, interfering with protein synthesis. It also inhibits DNA. Chloroquine hydrochloride - GLOWM. Chloroquine Dosage Guide with Precautions -. CHLOROQUINE Drug BNF content published by NICE. Oct 12, 2016 Following a single dose, chloroquine may be detected in plasma for more than four weeks. Mean bioavailability from tablets of chloroquine phosphate is 89%. Chloroquine is widely distributed in body tissues such as the eyes, kidneys, liver, and lungs where retention is prolonged. Chloroquine can be used to kill malaria parasites living in red blood cells but the medication may not necessarily be efficient at killing these parasites in other body tissues. Doctors often prescribe this medication as part of certain treatment plans for lupus and other immune system diseases. The sulfate and phosphate salts of chloroquine have both been commercialised as antimalarial drugs. Hydroxychloroquine has also been used as an antimalarial, but in addition is now broadly used in autoimmune diseases such as lupus and rheumatoid arthritis.