Chloroquine is now uncommonly used in favor of its derivative hydroxychloroquine. In the United States, hydroxychloroquine is most often used for its anti-inflammatory effects in rheumatology and dermatology. Turmeric with plaquenil Deubiquitinating enzyme chloroquine Plaquenil retinopathy autofluorescence If you are also taking kaolin or antacids, take them at least 4 hours before or after using chloroquine. If you are also taking ampicillin, take it at least 2 hours before or after using this medicine. Dosing. The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. In 2016, with new scientific data, the American Academy of Ophthalmology revised their screening recommendations for patients on chloroquine for longer than 1 year 5. The two most important risk factors for retinopathy are the duration of chloroquine treatment and a daily dose of chloroquine 2.3 mg/kg of the patient's actual body weight. Chloroquine and hydroxychloroquine both belong to the quinolone family and share similar clinical indications and side effects, including retinal toxicity. Chloroquine-induced retinal toxicity was first described in 1959 and the retinal toxic effects of hydroxychloroquine were later described in 1967 3, 4. While early toxicity may be asymtomatic, patients with more advanced stage of toxicity may complain of color vision changes or paracentral scotomas. Its toxic effects on the retina are seen in the macula. Chloroquine dosing for ophthalmology Chloroquine MedlinePlus Drug Information, Chloroquine DermNet NZ Plaquenil and effects on growing fetusDoes plaquenil cause heartburnPlaquenil thrombocytopeniaHow much is plaquenil without insurance for generic Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Chloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Recommendations on Screening for Chloroquine and.. Excess Hydroxychloroquine Dosing All Too Common Hydroxychloroquine, the antimalarial long prescribed by rheumatologists to manage autoimmune conditions such as lupus and rheumatoid arthritis, is finding newer applications as an adjuvant to cancer chemotherapy and in diabetes mellitus management. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Chloroquine, can be fatal. Medication should be stored in childproof containers out of the reach of infants and children. How long is it safe to use chloroquine? CDC has no limits on the use of chloroquine for the prevention of malaria. When chloroquine. is used at higher doses for many years, a rare eye condition called retinopathy has occurred.