Pattern of Retinopathy: Although the locus of toxic damage is parafoveal in many eyes, Asian patients often show an extramacular pattern of damage. Dose: We recommend a maximum daily HCQ use of 5.0 mg/kg real weight, which correlates better with risk than ideal weight. Hydroxychloroquine sulphate and mecobalamin tablets Plaquenil 400 mg bid Hydroxychloroquine plaquenil coupons Patients taking hydroxychloroquine Plaquenil. another test called a visual field test. In this test, one eye is tested at a time while the other is temporarily covered with a patch. You will be seated in front of a machine called a perimeter and asked to look through a viewfinder at a fixed Up to half of patients treated with the arthritis drug hydroxychloroquine Plaquenil are prescribed more than the recommended maximum amount, according to new research. In separate studies, Canadian and U. S. researchers found that 30 to 50 percent of patients didn’t receive the dose outlined in treatment guidelines; a smaller percentage didn’t get recommended eye exa You will also be asked to follow your own eye health every month by using a special chart called the Amsler grid. The following tests are used as part of the Edmonton Hydroxychloroquine Screening Protocol Amsler grid This small grid is given to you to test once per month at home. It should be held at approximately 12 inches 30 cm from the. Risk of Toxicity: The risk of toxicity is dependent on daily dose and duration of use. There are no similar demographic data for CQ, but dose comparisons in older literature suggest using 2.3 mg/kg real weight. Plaquenil eye test chart Plaquenil Dosage Guide -, Wrong Hydroxychloroquine Dose Is Common, Putting Eyes at Risk. Can i take vitamin d with plaquenilCan plaquenil worsen neuropathyChloroquine primaquine liver Diagnosis Hydroxychloroquine-induced retinal toxicity Discussion. Chloroquine CQ and hydroxychloroquine Plaquenil HCQ have been used for many years, initially for the treatment of malaria but now more commonly for the treatment of inflammatory diseases such as rheumatoid arthritis and lupus 1. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Plaquenil Toxicity - alberta-. Eye screening for patients taking hydroxychloroquine Plaquenil. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. While today it is used to treat autoimmune conditions, such as rheumatoid arthritis and lupus, it was originally used as an anti-malaria drug. 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. To be at risk of eye problems from Plaquenil you need to be on quite a high dose. The dose that you can safely tolerate depends on your size. If you weigh less than 30kg 66 lbs, then you may run in to problems on just one tablet a day.