It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Plaquenil assistance program Chloroquin family For prevention or treatment of malaria in infants and children, the amount of hydroxychloroquine is based on the child's weight. Your doctor will calculate this amount and tell you how much hydroxychloroquine your child should receive. For lupus erythematosus, one or two tablets are usually taken once or twice daily. 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. Maintenance dose 200 to 400 mg 155 mg to 310 mg base orally daily Comments-This drug should be taken with a meal or a. For individuals with significant risk factors daily dose of hydroxychloroquine sulfate greater than 5.0 mg/kg base of actual body weight, subnormal glomerular filtration, use of tamoxifen citrate or concurrent macular disease monitoring should include annual examinations which include BCVA, VF and SD-OCT. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Normal dosage daily for plaquenil Taking Plaquenil for Rheumatoid Arthritis, Hydroxychloroquine Dosage Guide with Precautions - Does hydroxychloroquine interact with benedrylPlaquenil dissolving immune complexesChloroquine autophagy concentration A risk factor for Plaquenil hydroxychloroquine retinotoxicity is a daily dose that exceeds 5.0 mg of drug per kg of body weight. The tool on the right simply calculates this threshold based on a ppatient’s real body weight. It’s important to understand that the daily dose is only one risk factor for plaquenil retinotoxicity. Plaquenil Risk Calculators. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. 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. In a small percentage of patients, side effects may require temporary reduction of the initial. For individuals with significant risk factors daily dose of hydroxychloroquine sulfate 5.0 mg/kg base of actual body weight, subnormal glomerular filtration, use of tamoxifen citrate or concurrent macular disease monitoring should include annual examinations which include BCVA, VF and SD-OCT; for individuals without significant risk factors. Risk factors that increase the chance of hydroxychloroquine retinopathy include daily dosage, cumulative dose, renal or liver disease, age, and previous retinal disease 9. A daily dose of 6.5mg/kg ideal body weight places patients at higher risk, but a daily dose below this level did not preclude the patient from developing toxicity after.