Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine skin pigmentation What percent of people with arthritis benefit from plaquenil Plaquenil 200 mg daily 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. Plaquenil and your eyes. A rare side effect of Plaquenil is damage to the eye's retina. The retina is the light-sensitive tissue at the back of the eye. Using Plaquenil for a long period of time may harm the retina, causing serious vision loss. People with retinal damage from Plaquenil are not aware at first that they are losing vision. 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. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine eye retina Bull's-eye maculopathy due to hydroxychloroquine toxicity, What Is Plaquenil? - American Academy of Ophthalmology Plaquenil dosage for sjogrensIs it safe to take hydroxychloroquine while pregnantHalf life of hydroxychloroquine Rheumatologists use hydroxychloroquine sulfate Plaquenil, Concordia Pharmaceuticals to treat autoimmune diseases, namely discoid or systemic lupus erythematosus, rheumatoid arthritis, Sjögren syndrome, and malaria. When taken at high doses and for long durations, hydroxychloroquine has been known to cause parafoveal retinal toxicity. Retina Today - Imaging in Hydroxychloroquine Toxicity April.. Hydroxychloroquine Plaquenil Toxicity and Recommendations.. Hydroxychloroquine-Induced Retinal Toxicity - American.. Chloroquine retinopathy, is a form of toxic retinopathy damage of the retina caused by the drugs chloroquine or hydroxychloroquine, which are sometimes used in the treatment of autoimmune disorders such as rheumatoid arthritis and systemic lupus erythematosus. This eye toxicity limits long-term use of the drugs. The condition sometimes resembles a target, or bulls-eye ring, on the retina surrounding the macula. Hydroxychloroquine retinopathy is extremely rare and is most often seen in cases where the dosage is high or the patient has been taking it for several years. Bulls-eye maculopathy is uncommon, but when it does occur, it can be devastating. The number of patients taking hydroxychloroquine is increasing and monitoring patients on therapy is challenging in the currently over stretched hospital eye service. A recent paper estimates.