It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Why is chloroquine used to treat malaria Hydroxychloroquine sickle cell dose NOTE This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider. Low blood sugar has happened with hydroxychloroquine. Sometimes, this has been very bad and could be life-threatening. Talk with the doctor. Check your blood sugar as you have been told by your doctor. Talk with your doctor before you drink alcohol. Low blood cell counts have happened with hydroxychloroquine. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. Hydroxychloroquine comes as a tablet to take by mouth. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Hydroxychloroquine sulfate and alcohol Hydroxychloroquine - Side Effects, Uses, Dosage, Overdose., Hydroxychloroquine Indications, Side Effects, Warnings. Plaquenil tablets covisPlaquenil buy ukHydroxychloroquine wr walter reedPlaquenil toxicity oct Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Alcohol interaction warning. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil Oral Uses, Side Effects, Interactions.. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine -sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Hydroxychloroquine Sulfate is a synthetic derivative of quinolyl with chemotherapeutic and antibiotic properties, Hydroxychloroquine Sulfate acts against erythrocytic malarial parasites Plasmodium vivax, ovale, and malariae by concentrating in food vacuoles. It inhibits plasmodial heme polymerase and acts through other unknown mechanisms. Hydroxychloroquine sulfate is an odorless, white or practically white crystalline powder, freely soluble in water; practically insoluble in alcohol, in chloroform, and in ether. Chemically the drug is 2-4-7-Chloro-4-quinolyl amino pentyl ethylamino ethanol sulfate 11.