Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Drug reactions in plaquenil White oval pill plaquenil Hypoglycemia due to maternal plaquenil Hydroxychloroquine is a moderate inhibitor of CYP2D6. Codeine; Promethazine Major Avoid coadministration of hydroxychloroquine and promethazine. Hydroxychloroquine increases the QT interval and should not be administered with other drugs known to prolong the QT interval. Jan 03, 2020 The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses. In a small percentage of patients, side effects may require temporary reduction of the initial dosage. Detailed Hydroxychloroquine dosage information for adults and children. Includes dosages for Rheumatoid Arthritis, Systemic Lupus Erythematosus, Malaria Prophylaxis and more; plus renal, liver and dialysis adjustments. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Dosage hydroxychloroquine lupus Hydroxychloroquine - Side Effects, Dosage, Interactions., Plaquenil Dosage Guide - What are side effects of hydroxychloroquineHow to stop itching from chloroquine injectionHydroxychloroquine sulfate 200 mg priceHydroxychloroquine wiki Hydroxychloroquine is in a class of drugs called antimalarials. 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. Hydroxychloroquine MedlinePlus Drug Information. Hydroxychloroquine Dosage Guide with Precautions -. Hydroxychloroquine Uses, Dosage & Side Effects -. SAN FRANCISCO – Hydroxychloroquine Plaquenil dosing based on actual body weight – instead of ideal weight – is appropriate for patients with systemic lupus erythematosus SLE, according to a review of 686 lupus patients at Johns Hopkins University in Baltimore. Most were dosed by actual weight, 6.5 mg/kg up to a maximum of 400 mg/day. The recommended adult dose for rheumatoid arthritis is 400-600 mg daily for 4-12 weeks followed by 200-400 mg daily. Systemic lupus erythematosus is treated with 400 mg once or twice daily for several weeks then 200-400 mg daily. Hydroxychloroquine should be taken with food or milk in order to reduce stomach upset. Feb 19, 2020 Rheumatoid Arthritis. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses.