Hydroxychloroquine weight based dosing

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  1. delfeno Moderator

    Hydroxychloroquine weight based dosing


    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).

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    The Hopkins team seems to have found a workable middle ground – weight-based dosing up to a maximum of 400 mg/day, which is considered safe in a lean person of about 136 pounds. Three months after being prescribed hydroxychloroquine, however, just 56% of the patients were at a therapeutic level of 500 ng/mL or more. Adherence to Weight-Based Dosing Guidelines in Patients Receiving Hydroxychloroquine for Rheumatoid Arthritis and Systemic Lupus Erythematosus Tara Skorupa 1 and Robert Shmerling 1, 1 Beth Israel Deaconess Medical Center / Harvard Medical School, Boston, MA 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.

    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 weight based dosing

    Hydroxychloroquine dosage recommendations often ignored., Adherence to Weight-Based Dosing Guidelines in Patients.

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  3. Background/Purpose Hydroxychloroquine HCQ is a widely-used medication in many rheumatologic conditions. The most worrisome toxicity is irreversible damage to retinal pigment epithelium which can lead to blindness. The most recent 2016 guidelines from the American Academy of Ophthalmology AAO recommend the dose of HCQ ≤5 mg/kg real body weight to minimize toxicity1. According to these

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    Let's dive in. Melton & Thomas describe the typical safe Plaquenil dosage this way The usual dosage is two 200mg tablets per day. This is generally a "safe" dose for patients having a lean body weight of at least 135 lbs. The generally-regarded safe dosage is 6.5mg/kg/qd, thus the 135 lb. safety threshold. Feb 19, 2020 Urine hydroxychloroquine levels were still detectable after 3 months with approximately 10% of the dose excreted was parent drug. Results following a single dose of a 200 mg tablet versus i.v. infusion 155 mg, demonstrated a halflife of about 40 days and a large volume of distribution. The molecular weight of hydroxychloroquine sulfate is 433.95, and molecular formula is C18H26ClN3O. H2SO4. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration.

     
  4. laneon Guest

    The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Use of Hydroxychloroquine to Prevent Thrombosis in. Is Hydroxychloroquine Helpful for Patients with. Hydroxychloroquine for the First Thrombosis Prevention in.
     
  5. musulman New Member

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  6. vinitubr Well-Known Member

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    Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria