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 weight gain at 400mg Plaquenil and low dose naltrexone Hydroxy chloroquine 200 mg Hydroxychloroquine lupus anticoagulant Plaquenil hydroxychloroquine and Aralen chloroquine phosphate are antimalarial medications used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Aralen is also used to treat infections caused by amoebae. 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. Chloroquine needs to be taken 1-2 weeks before traveling to an area with malaria, compared to some alternatives that can be taken 1-2 days before. chloroquine is only effective against malaria from certain areas of the world. chloroquine may worsen psoriasis, seizures, hearing problems, and liver conditions. 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 phosphate for rheumatoid arthritis Chloroquine Aralen - Side Effects, Dosage, Interactions - Drugs, Chloroquine phosphate C18H32ClN3O8P2 - PubChem Tapering off hydroxychloroquine 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. Talk to your doctor about the possible risks of using this drug for your condition. Chloroquine MedlinePlus Drug Information. Compare Plaquenil vs Chloroquine -. Chloroquine Phosphate Monograph for Professionals -. The arthritis. Since this report, the useofsynthetic antimalarial compounds in the treatment ofinflam-matory polyarthritis has steadily increased; at the present time chloroquine and hydroxychloroquine are the drugs most commonly used. Freedman 1956 reported a controlled trial of chloroquinein 66patients withrheumatoidarthritis; Aside from preventing and treating malaria, chloroquine is also occasionally used for amebiasis that is occurring outside the intestines, rheumatoid arthritis, and lupus erythematosus. What Conditions Does This Treat? Originally, hydroxychloroquine was used to prevent and treat malaria and was considered very effective. Now it is generally used for rheumatoid arthritis, but it has also been shown to work well for juvenile arthritis, some lupus symptoms, and other types of autoimmune conditions.