Additionally, another exception occurred while executing the custom error page for the first exception. Plaquenil (hydroxychloroquine) belongs to a group of medicines called quinolines. Effect of plaquenil on eyes Hydroxychloroquine vs hydroxychloroquine sulfate Chloroquine for malaria prophylaxis dosing Chloroquine how to say Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Photopsia is found among people who take Plaquenil, especially for people who are female, 60+ old, have been taking the drug for 2 - 5 years, also take medication Enbrel, and have Chronic thyroiditis Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Malaria is common in areas such as Africa, South America, and Southern Asia. Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Photopsia plaquenil toxicity Recommendations on Screening for Chloroquine and Hydroxychloroquine., Will you have Photopsia with Plaquenil - eHealthMe Antimalarial drugs chloroquineOrder aralen prescribing Clinical signs of Plaquenil toxicity include maculopathy, retinal pigment epithelium changes, advanced retinopathy with bull's eye maculopathy characterized by a ring of parafoveal RPE depigmentation, central vision loss, decreased color vision, central scotomas, photopsia and visual field deficits. Free Calculator Aids in Plaquenil Dosing. Plaquenil Oral Uses, Side Effects, Interactions, Pictures, Warnings.. Hydroxychloroquine Plaquenil Toxicity and Recommendations for Screening. Hydroxychloroquine sulfate HCQ, Plaquenil is an analogue of chloroquine CQ, an antimalarial agent, used for the treatment of systemic lupus erythematosus, rheumatoid arthritis and other autoimmune disorders. Its use has been associated with severe retinal toxicity, requiring a discontinuation of therapy. It is a derivative chloroquine, also an antimalarial agent which has a much higher risk of toxicity. Plaquenil can rarely cause a retinal problem involving the central visual area, or macula. Retinal toxicity from Plaquenil is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. It is available in 200 mg tablets of hydroxychloroquine phosphate each containing 155 mg of hydroxychloroquine. 1 Although commonly used in the treatment of rheumatologic diseases, it is a rare source of overdose in the United States. However, life-threatening symptoms can occur within an hour of ingestion.