Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Plaquenil side effects skin discoloration Baseline reading for plaquenil therapy Adverse reaction to plaquenil What side effects does plaquenil have on your teeth An audit of 100 patients seen at any of nine Canadian rheumatology clinics during early 2016 showed that 30% of patients were not on appropriate weight-based hydroxychloroquine dosages, and 13% of patients on the drug had not received a baseline retinal assessment during their first year. 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. The usual starting dose of Plaquenil is 200 mg twice a day or 400 mg once a day, administered orally, in people weighing 80 kg or more. The usual dosage works for most people who take Plaquenil, but it is possible to increase or decrease the dose based on individual needs. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Plaquenil weight based dosing Rx Side Effects New Plaquenil Guidelines and More - American Academy., Ideal Body Weight for Calculating Hydroxychloroquine Dosage Any side effects from stopping plaquenilPlaquenil long term use lft It takes into account the patient’s weight and risk factors for Plaquenil retinopathy. With the weekly regimens, in some cases, the daily dose may exceed the 5mg/kg/day limit, but the weekly dose does not exceed 35mg/kg/week, the creators explain. Free Calculator Aids in Plaquenil Dosing. Taking Plaquenil for Rheumatoid Arthritis. ACR Actual-weight hydroxychloroquine dosing works in SLE, up.. Weight-Based Dosing In Adults And Pediatric Patients 6.5 mg/kg 5 mg/kg base, not to exceed 400 mg 310 mg base, once weekly on the same day of the week starting 2 weeks prior to exposure, and continued for 4 weeks after leaving the endemic area. Acute attack Dosage is based on body weight. The typical starting dose is 13 mg/kg maximum dose 800 mg. Additional doses of 6.5 mg/kg maximum dose 400 mg should be given at the following times 6 hours after the first dose, 24 hours after the first dose, and 48 hours after the first dose. The Weight Based Dose Calculator is used for weight based dosing. The parameters for the calculator include dosage, weight, med amount, per volume.