If a patient is overweight, one should use the ideal body weight to assess whether the doaily dose is in the toxic range (/= 6.5 mg/kg/day). This graph shows various formulas that have been proposed for deriving ideal body weight for women, because virtually all cases of hydroxychloroquine toxicity have been female. Chloroquine other drugs in same class Chloroquine for treating malaria Plaquenil and low dose naltrexone Plaquenil and plastic surgery Children—Dose is based on body weight and must be determined by your doctor. At first, 13 mg per kg of body weight taken as a single dose. Then, 6.5 mg per kg of body weight taken 6 hours, 24 hours, and 48 hours after the first dose. However, dose is usually not more than 800 mg for the first dose and not more than 400 mg for the next doses. For treatment of arthritis All patients in the cohort were prescribed hydroxychloroquine not to exceed a dose of 6.5 mg per kilogram. The maximum daily dose prescribed is 400 mg. In those who are on hemodialysis 200 mg was prescribed after each dialysis session. In those with renal insufficiency, the dose was 200mg daily. 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. For this dosage, any woman with an ideal body weight less than 135 pounds would be in the toxic dose range. The usual hydroxychloroquine dose that is prescribed is 400 mg/day. Plaquenil dose based on weight Hydroxychloroquine Dosage Guide with Precautions -, Hydroxychloroquine Blood Levels in SLE Clarifying dosing. How does plaquenil work for sjogren'sPlaquenil sulfate tabletChloroquine resistance testingTongue swelling from plaquenil The most recent 2016 guidelines from the American Academy of Ophthalmology AAO recommend the dose of HCQ ≤5 mg/kg real body weight to minimize toxicity 1. According to these new guidelines, the risk of HCQ retinal toxicity is less than 1 % in the first year of therapy and less than 2 % up to 10 years of therapy. New Guidelines on Hydroxychloroquine Dosage - Where Are We? - ACR.. ACR Actual-weight hydroxychloroquine dosing works in SLE.. Plaquenil Dosage - eMedTV Health Information Brought To Life. Per the prior 2011 AAO guidelines the recommended maximum dose to minimize HCQ retinal toxicity was 6.5 mg /kg based on ideal body weight 2. The advantage of the real body weight formula is that it distributes the risk evenly on a broad range of body habitus. Adults. 200 mg 155 mg base to 400 mg 310 mg base PO per day, administered as a single dose or in 2 divided doses. Antimalarials and/or glucocorticoids are of benefit and may be used for the treatment of SLE without major organ manifestations; however, judicious use of hydroxychloroquine is recommended. AAO revised guidelines. The AAO published dosing and screening recommendations for chloroquine and hydroxychloroquine in 2016, revising previous recommendations published in 2011. The current maximum daily HCQ dose recommended by the AAO is 5 mg/kg of real weight.