It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Tussin dm and hydroxychloroquine interaction Hydroxychloroquine sulphate tablets ip 200 mg Plaquenil tamoxifen symptoms reticulocytosis Hydroxychloroquine aplastic anemia Testing for Chloroquine and Hydroxychloroquine Retinopathy. Introduction Although the exact mechanism by which chloroquine CQ and hydroxychloroquine HCQ - commonly known as Plaquenil induce retinal toxicity is not well understood, but it is recognized as a serious ophthalmologic concern because it is not treatable. 1 Guidelines from the American Academy of Ophthalmology AAO on screening. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. The electroretinogram ERG is a diagnostic test that measures the electrical activity generated by neural and non-neuronal cells in the retina in response to a light stimulus. The electrical response is a result of a retinal potential generated by light-induced changes in the flux of transretinal ions, primarily sodium and potassium. Most often, ERGs are obtained using electrodes embedded in. Hydroxychloroquine comes as a tablet to take by mouth. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Hydroxychloroquine erg Hydroxychloroquine retinopathy A review of imaging, Hydroxychloroquine MedlinePlus Drug Information How quickly does eye damage progress hydroxychloroquinePlaquenil maculopathy treatmentPlaquenil causing low blood sugarHydroxychloroquine plaquenil adverse effects Diagnosis Hydroxychloroquine-induced retinal toxicity Discussion. Chloroquine CQ and hydroxychloroquine Plaquenil HCQ have been used for many years, initially for the treatment of malaria but now more commonly for the treatment of inflammatory diseases such as rheumatoid arthritis and lupus 1. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Electroretinogram - EyeWiki. Hydroxychloroquine toxicity - EyeWiki. Hydroxychloroquine is used widely for the treatment of systemic lupus erythematosus SLE, rheumatoid arthritis, and related inflammatory and dermatologic conditions. It is now being considered for new applications in diabetes mellitus, heart disease, and adjunct cancer therapy. Multifocal ERG has the ability to detect early macular dysfunction, so it should be included as part of baseline screening. A maximum daily dose of Plaquenil of 5.0mg/kg real weight is recommended. Communication with the prescribing physician is also key to proper treatment and management of your patient. At this point, full-field ERG should be considered to exclude diffuse photoreceptor loss. SUMMARY. Hydroxychloroquine is an effective and relatively safe drug that can cause retinal toxicity in a minority of patients. Early diagnosis is important to stop treatment and prevent possible further damage.