It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Plaquenil usage and autism Plaquenil pregnancy sjogren's Proper Use. Drug information provided by IBM Micromedex Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. The recommended Plaquenil dosage for malaria prevention is 400 mg once weekly, starting two weeks before the anticipated exposure. The usual starting dosage for treating lupus is 400 mg once or twice a day, and the recommended starting dose for the treatment of rheumatoid arthritis is 400 to 600 mg daily. 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 prolonged treatment of lupus or arthritis, adverse effects include the acute symptoms, plus altered eye pigmentation, acne, anaemia, bleaching of hair, blisters in mouth and eyes, blood disorders, convulsions, vision difficulties, diminished reflexes, emotional changes, excessive coloring of the skin, hearing loss, hives, itching, liver problems or liver failure, loss of hair, muscle paralysis, weakness or atrophy, nightmares, psoriasis, reading difficulties, tinnitus, skin inflammation and scaling, skin rash, vertigo, weight loss, and occasionally urinary incontinence. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. For short-term treatment of acute malaria, adverse effects can include abdominal cramps, diarrhea, heart problems, reduced appetite, headache, nausea and vomiting. Plaquenil calculator Hydroxychloroquine Dosage Guide with Precautions -, Plaquenil Dosage - Antibiotics Home Page Chloroquine for treating malaria The calculator can help guide clinicians toward a suggested weekly dosing schedule. 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 - Review of Optometry. Ideal Body Weight for Calculating Hydroxychloroquine Dosage.. Protecting your eyesight when taking Plaquenil Lupus.. Hydroxychloroquine Plaquenil Dosing Calculator. Calculates maximum daily dose of hydroxychloroquine to reduce risk of retinopathy. Favorite. IMPORTANT. Mar 24, 2015 I am 171cm tall & 57kg - have been taking Plaquenil 9 yrs at 400mg daily for most of that time however last year in consultation with my Rheumy I reduced to 200mg daily during warmer weather & boosted the dose to 400mg daily just prior to winter. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more.