It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Does plaquenil cause headaches Plaquenil depression Plaquenil and macular degeneration Plaquenil cost australia Allergies. Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully. Pediatric Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America. If you are taking hydroxychloroquine for symptoms of rheumatoid arthritis, your symptoms should improve within 6 months. If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis (or juvenile idiopathic arthritis) and other autoimmune diseases. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine allergy Hydroxychloroquine Indications, Side Effects, Warnings., Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs. Corticosteroids plaquenil May 13, 2015 In summary, there is no confirmatory test for hydroxychloroquine reaction. Progressive dose challenge or measuring G6PD would be my only suggestions. I would avoid the therapy if the reaction was severe and particularly if there is a preceding history of psoriasis, porphyria or liver disease. Hydroxychloroquine reaction AAAAI. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil, Plaquenil Sulfate, Quineprox.. Hydroxychloroquine is considered safer than chloroquine during pregnancy and lactation. Hydroxychloroquine is rapidly absorbed from the gastrointestinal tract, and steady-state concentrations are reached after 4–6 weeks; 45% of hydroxychloroquine binds to plasma proteins that are deposited in tissues such as the liver, spleen, kidney, and lung. Hydroxychloroquine reduces risk of incident diabetes mellitus in lupus patients in a dose-dependent manner a population-based cohort study. Chen YM, Lin CH, Lan TH, Chen HH, Chang SN, Chen YH, Wang JS, Hung WT, Lan JL, Chen DY Rheumatology Oxford 2015 Jul;5471244-9. Rarely, hydroxychloroquine can lead to anemia in some individuals. This can happen in individuals with a condition known as G6PD deficiency or porphyria. In rare cases, hydroxychloroquine can cause visual changes or loss of vision.