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 lichen planus Is plaquenil safe for kidney disease Chloroquine paludisme The study is based on hydroxychloroquine sulfate the active ingredients of Plaquenil and Plaquenil the brand name. Other drugs that have the same active ingredients e.g. generic drugs are not considered. Dosage of drugs is not considered in the study. Given the long half-life of hydroxychloroquine and the previously documented within day variations of less than 8% this was considered appropriate. 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. Ideal Body Weight for Calculating Hydroxychloroquine Dosage. The most important risk factor for hydroxychloroquine retinopathy is the daily dose of the drug. 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. 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. Weight based dosing plaquenil Plaquenil Hydroxychloroquine - Side Effects, Dosage., Hydroxychloroquine Blood Levels in SLE Clarifying dosing. Plaquenil leg swellingChloroquine treatment in huh7 cellsChloroquine brand name in indiaPlaquenil equivalent The usual hydroxychloroquine dose that is prescribed is 400 mg/day. For this dosage, any woman with an ideal body weight less than 135 pounds would be in the toxic dose range. As one can see, the height that corresponds to an ideal body weight of 135 pounds varies across the formulas. Ideal Body Weight for Calculating Hydroxychloroquine Dosage. Ideal Body Weight for Calculating Hydroxychloroquine Dosage - The.. Plaquenil Dosage Guide -. 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. Discussion. 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 patient’s real body weight. It’s important to understand that the daily dose is only one risk factor for plaquenil retinotoxicity. Weight-based dosing Dose is based on body weight and must be determined by your doctor. At first, 6.5 mg per kilogram kg of body weight, not to exceed 400 mg, once weekly on the same day of the week starting 2 weeks before traveling to an area where malaria occurs, and continued for 4 weeks after leaving the area.