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. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Votamin b deficiency feom plaquenil Chloroquine drug 13000 Hydroxychloroquine tablets ip hcqs-400 Gene rdh12 chloroquine retinopathy Vision risks. Hydroxychloroquine is dosed according to body weight. The American Academy of Ophthalmology AAO currently defines an overdose of hydroxychloroquine as more than 5.0 milligrams mg per kilogram kg of body weight 1 kg equals 2.2 pounds or more than 400 mg a day. 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 Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. A Disorder Of The Retina Of The Eye; For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil eye damage Hydroxychloroquine Side Effects, Dosage, Uses, and More, New Plaquenil Guidelines - Chloroquine panreatic cancer Plaquenil and eye damage also considering LASIK I have an undiagnosed auto immune disorder probably rheumatoid arthritis or lupus my Dr. has just prescribed Plaquenil but told me it can cause eye damage and wants me to get an eye exam. Plaquenil and eye damage also considering LASIK. Common and Rare Side Effects for Plaquenil Oral. Plaquenil Toxicity - Symptoms, Treatment, Risk Factors.. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Call your doctor at once if you have Plaquenil toxicity is typically asymptomatic in early stages, but over time can lead to severe vision loss and retinal damage. The risk of retinal toxicity was initially believed to be less than 1%.