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. Icd 10 code plaquenil Plaquenil testing Hydroxychloroquine Plaquenil; HCQ has been an important and effective drug for the treatment of lupus erythematosus and related autoimmune and inflammatory diseases for half a century, although its potential to cause retinal damage continues to raise concern among rheumatologists and ophthalmologists. Use of Plaquenil is contraindicated in patients with known hypersensitivity to 4-aminoquinoline compounds. Warnings Resistant strains of malaria Plaquenil is not effective against chloroquine-resistant strains of P. falciparum see CLINICAL PHARMACOLOGY – Microbiology. Studies have shown that patients who have manifested with retinopathy have traces of Plaquenil metabolites in their erythrocytes, plasma, and urine even after 5 years of discontinuing the medication 1, 2, 3. 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 use with retinopathy Hydroxychloroquine toxicity - EyeWiki, Plaquenil - FDA prescribing information, side effects and uses Aralen chloroquine phosphateCost of antimalarial drugs chloroquineWhat drug class is hydroxychloroquineHydroxychloroquine decrease inflammation Hydroxychloroquine HCQ is an anti-malarial medication that has in recent times been utilized as treatment for a variety of autoimmune diseases, such as rheumatoid arthritis and systemic lupus erythematosus, and other inflammatory and dermatologic conditions. Hydroxychloroquine retinopathy A review of imaging. Plaquenil Toxicity - Symptoms, Treatment, Risk Factors.. Multimodal Imaging in Plaquenil Toxicity. Figure 6 This is a Kaplan Meier curve showing the cumulative risk of retinopathy over time, with different levels of hydroxychloroquine HCQ use. When use is between 4.0 and 5.0 mg/kg, the risk is very low within the first 5 to 10 years, but it increases markedly thereafter. Reproduced from Melles and Marmor, 2014 7 Hydroxychloroquine, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. It does not appear to be safe during 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.