Additionally, another exception occurred while executing the custom error page for the first exception. Plaquenil is the brand name for the prescription drug hydroxychloroquine. Hydroxychloroquine how to take Does plaquenil weaken the immune system Plaquenil for scabbies Can hydroxychloroquine cause a lupus type rash Abstract. Background The American Academy of Ophthalmology recommendations on screening for chloroquine CQ and hydroxychloroquine HCQ retinopathy are revised in light of new information about the prevalence of toxicity, risk factors, fundus distribution, and effectiveness of screening tools. The recommended initial dosage of hydroxychloroquine Plaquenil for the treatment of lupus erythematosus is 400 mg once or twice daily. The recommended maintenance dose range of hydroxychloroquine Plaquenil for the treatment of lupus erythematosus is 200 to 400 mg daily. If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Plaquenil maculopathy dosage Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects., Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy, Alcohol. Dosage for chloroquine syrupHydroxychloroquine liver toxicity While side effects of corticosteroids are usually to blame, there is also the possibility of ocular damage associated with long-term use of the antimalarial drugs hydroxychloroquine brand name Plaquenil® and chloroquine. Improved vision screening tests and updated dosing guidelines are key to avoiding such complications. Protecting your eyesight when taking Plaquenil Lupus.. Plaquenil Side Effects on Your Eyes and Vision. Chloroquine And Hydroxychloroquine Toxicity - StatPearls.. In a second recently reported study, researchers from the Chicago area documented that roughly half of the 554 rheumatology patients on hydroxychloroquine HCQ in a regional health system and seen by an ophthalmologist during 2009-2016 received an excessive dosage of the drug Ophthalmology. 2017 Jan 30. doi 10.1016/j.ophtha.20. Although the incidence of macular toxicity is infrequent with Plaquenil use at a dosage of 200mg or 400mg q.d. its visual impact can be devastating. 2,3. The associated classic retinal toxicity is described as a bull’s eye maculopathy ring of depigmented retinal pigment epithelium that spares the foveal area. In a small percentage of patients, side effects may require temporary reduction of the initial dosage. Maintenance adult dosage When a good response is obtained, the dosage may be reduced by 50 percent and continued at a maintenance level of 200 mg to 400 mg 155 to 310 mg base daily, administered as a single daily dose or in two divided doses.