Most importantly, you help support continued development of this site. The majority of cases of retinotoxicity have occurred in patients that have had a cumulative dose exceeding 1000g of hydroxychloriquine (Plaquenil). This level is reached in about 7 years with the most common daily dose of Plaquenil, 400 mg/day (200 bid). What lupus symptoms does plaquenil treat Plaquenil company Plaquenil and sjogren's syndrome Jan 05, 2020 Hydroxychloroquine retinopathy is most influenced by daily dose and duration of use. Risk for toxicity is less with 5.0 mg/kg real weight/day for hydroxychloroquine and 2.3 mg/kg real weight/day for chloroquine. Patients are at low risk during the first 5 years of treatment. At first, 13 milligram mg per kilogram 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. Nov 25, 2019 Suppression 5 mg/kg calculated as base orally on exactly the same day each week; the dose should not exceed 400 mg regardless of weight Comments-Suppressive therapy should begin 2 weeks prior to exposure; however, failing this, an initial dose of 10 mg/kg calculated as base may be taken in 2 divided doses 6 hours apart. It now solely uses real body weight (rather than ideal body weight) based on new recommendations from a 2014 study (1). Disclaimer: This tool is designed to help eye care professionals better understand the risk the of retinotoxicity from hydroxychloroquine. Please note: This calculator was modified in 9/2015. Hydroxychloroquine dose per kg Hydroxychloroquine Side Effects, Dosage, Uses, and More, Hydroxychloroquine Oral Route Proper Use - Mayo Clinic Plaquenil nursing interventionsAralen chloroquine phosphate In summary, hydroxychloroquine-induced retinal toxicity is likely more prevalent than previously believed. Once thought to be safe at a daily dose of 6.5mg/kg/day 16, newer studies show that many years of hydroxychloroquine treatment at a "safe dose" can still lead to toxicity 6. Newer guidelines state that daily dose 5mg/kg of real. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Hydroxychloroquine Dosage Guide with Precautions -. What is Hydroxychloroquine? - GoodRx. Nov 02, 2018 At the 2018 ACR/ARHP Annual Meeting, I had the opportunity to co-moderate this year's Great Debate, which was titled "Guidelines for SLE HCQ Dose Should Be No More Than 5 mg/kg In All Patients." Severe and irreversible retinal damage has been reported with the use of hydroxychloroquine. Risk factors for retinal damage include daily doses more than 6.5 mg/kg 5 mg/kg base of actual body weight, durations of use greater than 5 years, subnormal glomerular filtration, use of concomitant drugs such as tamoxifen, and concurrent macular disease. Irreversible retinal damage observed in some patients who had received hydroxychloroquine sulfate; significant risk factors for retinal damage include daily doses of hydroxychloroquine sulfate greater than 6.5 mg/kg 5 mg/kg base of actual body weight, durations of use greater than five years, subnormal glomerular filtration.