One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine (Plaquenil), a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Buy chloroquine phosphate online Hydroxychloroquine for vascular disease Calcium chloroquine fc review Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Aug 29, 2014 The side effect that is of greatest concern is retinal toxicity. Retinal toxicity of Plaquenil may manifest itself with subtle disturbances of the retinal pigment epithelium which may eventually lead to complete destruction of the macula in the form of bull’s-eye maculopathy. Note that chloroquine is not used frequently in the United States and has been replaced by the use of hydroxychloroquine because the latter has fewer side effects. The Plaquenil Problem “Plaquenil toxicity is very distinctive,” said Michael F. Marmor, MD, professor of ophthalmology at Stanford University. Dr. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. Plaquenil eye side effects symptoms Hydroxychloroquine Plaquenil Success, Reviews and Side Effects, The Risk of Retinal Toxicity with Plaquenil Cirrus oct plaquenilChloroquine and proguanil vs malaronePlaquenil helps fatigueChloroquine storage Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Rx Side Effects New Plaquenil Guidelines and More - American.. Eye screening for patients taking hydroxychloroquine Plaquenil. Uncontrolled eye movements unsteadiness, trembling, or other problems with muscle control or coordination vomiting Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional. Call your doctor for medical advice about side effects. Taking Hydroxychloroquine develop toxicity2 It’s rare for side effects to occur with Plaquenil if the medication is dosed properly Side effects Blurred vision, bull’s eye maculopathy, scotoma, vortex keratopathy, headache, accommodative dysfunction, whitening of eyelashes, phototoxicity3 Funny I tried Plaquenil a few times in the past just to see if I could tolerate it and after one dose the ache started then too but I never had the other symptoms as I stopped it immediately. Now I feel I need it again so I persisted and the other symptoms popped up. No one seems to know what "pre" toxic symptoms might be.