She suffered from Sjogren syndrome and inflammatory arthritis and was currently treated with prednisone and methotrexate. She was previously treated with hydroxychloroquine (Plaquenil) 200mg bid (6.5mg/kg) for 10 years, which was stopped one year prior to presentation. Plaquenil and imuran heat and sun side effects Plaquenil pulmonary side effects Hydroxychloroquine sulphate dosage Nov 01, 2015 The incidence of retinal toxicity is associated with the cumulative dose of the drug, increasing significantly beyond 1,000 g of HCQ. This cumulative dose is created when the common dose of 400 mg/day is used for 6.8 years. Hydroxychloroquine is metabolized and secreted by both the liver and the kidneys. Rationale for Screening. Hydroxychloroquine and CQ retinopathy are not reversible, and cellular damage may progress even after the drugs are stopped. When retinopathy is not recognized until a bull’seye appears, the disease can progress for years, often with foveal thinning and an eventual loss of visual acuity. She suffered from Sjogren syndrome and inflammatory arthritis and was currently treated with prednisone and methotrexate. She was previously treated with hydroxychloroquine Plaquenil 200mg bid 6.5mg/kg for 10 years, which was stopped one year prior to presentation. Review of systems: Blurred vision, halos, dry eye, dry mouth, gastroesophageal reflux, joint pain Pupils: Reactive to light in each eye from 5 mm in the dark to 2 mm in the light. Extraocular movements: Full, both eyes (OU) Confrontation visual fields: Full OU Intra-ocular pressure The optic nerves appeared healthy with a 0.3 cup-to-disc ratio. Past Ocular History: None Medical History: Sjogren syndrome and inflammatory arthritis, supraventricular tachycardia, anxiety, depression, peptic ulcer disease Medications: prednisone, methotrexate, amitriptyline, ranitidine, estradiol, tizanidine, diltiazem, Restasis Allergies: codeine, droperidol Family History: heart disease, arthritis, cancer Social History: occasional alcohol but no tobacco or intravenous drug use. Plaquenil retinal screening interval Hydroxychloroquine and Chloroquine Retinopathy., Recommendations on Screening for Chloroquine and. Plaquenil a alkoholIs plaquenil processed through the liverPrednisone and plaquenil lupusCost of plaquenil at costco Refer to the Plaquenil drug label for specific limitations of use for the treatment of malaria. • Plaquenil is also indicated for the treatment of chronic discoid lupus erythematosus and systemic lupus erythematosus in adults, and for the treatment of acute and chronic rheumatoid arthritis in adults. Plaquenil hydroxychloroquine – New Warnings. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Retinal Physician - New Screening Guidelines for.. Plaquenil prolongs the QT interval. Ventricular arrhythmias and torsades de pointes have been reported in patients taking Plaquenil see OVERDOSAGE. Therefore, Plaquenil should not be administered with other drugs that have the potential to prolong the QT interval see DRUG INTERACTIONS. Discussion. A risk factor for Plaquenil hydroxychloroquine retinotoxicity is a daily dose that exceeds 5.0 mg of drug per kg of body weight. The tool on the right simply calculates this threshold based on a patient’s real body weight. It’s important to understand that the daily dose is only one risk factor for plaquenil retinotoxicity. Hydroxychloroquine HCQ, 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.