Pattern of Retinopathy: Although the locus of toxic damage is parafoveal in many eyes, Asian patients often show an extramacular pattern of damage. Dose: We recommend a maximum daily HCQ use of 5.0 mg/kg real weight, which correlates better with risk than ideal weight. Chloroquine primaquine side effects Can plaquenil cause numbness in tailbone area and legs Retinal toxicity from chloroquine CQ and its analogue, hydroxychloroquine HCQ, has been recognized for many years. Chloroquine toxicity remains a problem in many parts of the world, but is seen less frequently in the United States where the drug largely has been replaced by HCQ. 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. H ydroxychloroquine HCQ; Plaquenil, Sanofi, Bridgewater, NJ is an antimalarial agent that is also commonly used as a treatment for a variety of rheumatologic and dermatologic conditions, such as rheumatoid arthritis and systemic lupus erythematosus. The most common side effect associated with its use is retinal toxicity, which may be irreversible. Risk of Toxicity: The risk of toxicity is dependent on daily dose and duration of use. There are no similar demographic data for CQ, but dose comparisons in older literature suggest using 2.3 mg/kg real weight. Hydroxychloroquine retinal toxicity oct My Take on New Ocular Screening Guidelines for Plaquenil., Protecting your eyesight when taking Plaquenil Lupus. Para que es plaquenilEffect of plaquenil on eyesHow to stop itching from chloroquine injectionAralen cost Patient B shows a less severe stage of toxicity with small islands of retinal damage in the areas 5° to 15° from the fovea. CONCLUSION. Chloroquine or hydroxychloroquine can cause retinal dysfunction detectable using mfERG before toxicity is clinically apparent. Retina Today - Evaluating Hydroxychloroquine Toxicity With.. Retinal Physician - Hydroxychloroquine Maculopathy An.. Expanded spectral domain-OCT findings in the early.. Retinal toxicity related to hydroxychloroquine in patients with systemic lupus erythematosus and rheumatoid arthritis. Telek HH, Yesilirmak N, Sungur G, Ozdemir Y, Yesil NK, Ornek F. Doc Ophthalmol. 2017 Dec; 1353187-194. Recently, there has been some focus on the effects of HCQ on the inner retinal layers. In a study by Pasadhika et al. SD-OCT was applied to measure the thickness of certain segments of the retina in three groups of patients Those with clinical evidence of HCQ retinopathy on fundus examination. Hydroxychloroquine is associated with long-recognized retinal toxicity. 2,3,4 The retinopathy is hallmarked by parafoveal changes within the retina. Early toxicity may be asymptomatic, detected.