If you believe you are seeing this page in error please contact us. In some cases, they may not be available in every strength or form as the brand-name drug. Plaquenil dosage sjogren's syndrome How much does chloroquine cost Chloroquine resistant malaria drug Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Patients were prescribed hydroxychloroquine not to exceed 6.5mg/kg max400mg/day. In hemodialysis, the dose was 200mg after each session, in renal insufficiency it was 200mg/day. Levels were measured at each visit with a therapeutic range of 500-2000 ng/ml. Patients were divided according to baseline blood level. He pointed out that these findings have been validated in several studies using other patient populations. He concluded that the risk is very real of developing retinal toxicity with prolonged use of hydroxychloroquine. The dose, duration, presence of renal disease and use of other drugs such as tamoxifen all contribute to the increased risk. Hydroxychloroquine may be used as part of a combination therapy. Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine dose dialysis Drug spotlight on hydroxychloroquine Lupus Foundation of., Hydroxychloroquine Blood Levels in SLE Clarifying dosing. Suicidal chloroquine poisoning This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Hydroxychloroquine-Induced Retinal Toxicity - American.. The 2018 ACR Great Debate Hydroxychloroquine Dosing for SLE. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Renal insufficiency. - visual acuity below 6/8. - age above 65 years. - cumulative dose more than 200 g. Hydroxychloroquine sulfate should be discontinued immediately in any patient who develops a pigmentary abnormality, visual field defect, or any other abnormality not explainable by difficulty in accommodation or presence of corneal opacities. Abstract. Background The American Academy of Ophthalmology recommendations on screening for chloroquine CQ and hydroxychloroquine HCQ retinopathy are revised in light of new information about the prevalence of toxicity, risk factors, fundus distribution, and effectiveness of screening tools. Regarding the dosing of hydroxychloroquine, we advocate the use of a weight based dosing regimen with a cap at 400 mg per day, except in the case of renal insufficiency, when the dose should be reduced to 200 mg per day and for those on dialysis, who should take their hydroxychloroquine, 200 mg three times per week.