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. Alternative to plaquenil for sjogren's Plaquenil false positive methadone Hydroxychloroquine is a well tolerated medication for various rheumatologic and dermatologic conditions. Its main side effects are gastrointestinal upset, skin rash, headache, and ocular toxicity. Within the eye, hydroxychloroquine negatively impacts the cornea, ciliary body, and retina. In the past, we thought the risk of developing eye toxicity from hydroxychloroquine was very low. New data suggests otherwise. Although the risk is still low, we were probably underestimating the risk. Researchers following 2,361 people using hydroxychloroquine, found that about 7.5% of those people had eye toxicity. The side effect that is of greatest concern is retinal toxicity. Retinal toxicity of Plaquenil may manifest itself with subtle disturbances of the retinal pigment epithelium which may eventually lead to complete destruction of the macula in the form of bull’s-eye maculopathy. 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. Hydroxychloroquine toxicity eye wiki Multimodal Imaging in Plaquenil Toxicity, Will hydroxychloroquine hurt my eyes? - RheumDoctor Symptoms coming off plaquenilDiluting chloroquine for in vivo treatmentsChloroquine cell death Chloroquine is a medication used to prevent and to treat malaria in areas where malaria is known to be sensitive to its effects. Certain types of malaria, resistant strains, and complicated cases typically require different or additional medication. It is also occasionally used for amebiasis that is occurring outside the intestines, rheumatoid arthritis, and lupus erythematosus. Chloroquine - Wikipedia. The Risk of Retinal Toxicity with Plaquenil. Hydroxychloroquine-Induced Retinal Toxicity - American.. The presence of optic disc edema or macular pathology would argue strongly against EON. Patients should receive a baseline eye exam prior to initiation of EMB therapy in order to document pre-treatment ocular pathology. Unfortunately, unlike other toxic maculopathies e.g. hydroxychloroquine there is no pre-toxicity finding in EON for screening. 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 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.