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. Plaquenil demards Plaquenil and back pain Plaquenil cervical cancer risk I was wondering if anyone has experience this while taking plaquenil. It started fri evening, pain in the upper back part of eye, with pressure and some dryness. I have a call into the dr. office and they are going to talk to the dr. and will call me back a little later this evening. thanks - Countrygal. I have been A comprehensive guide to side effects including common and rare side effects when taking Plaquenil Hydroxychloroquine includes uses, warnings, and drug interactions. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. According to Drugs.com, Plaquenil given for a long term can cause retinal disorders after a few months or years of daily use--especially if the dose exceeds 400mg per day. The risk of retinal damage increases at doses of 600mg to 700mg. 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. Can plaquenil cause eye pain What Is Plaquenil? - American Academy of Ophthalmology, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Chloroquine lysotrackerUsing chloroquine to treat ichWhat is chloroquine chemoprophylaxisVisual defects hydroxychloroquine As a precaution, people treated with Plaquenil should get a baseline eye exam before or soon after starting the drug and visit an eye doctor ophthalmologist annually. Long term plaquenil users on high doses will need to monitor eye health regularly to prevent retinal toxicity from long-term use. How lupus affects the eyes Lupus Foundation of America. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. The Risk of Retinal Toxicity with Plaquenil - Sjogren's. And, as far as Plaquenil and eye problems, the Ophthamologists I've talked to including a Neuro Ophthalmologist say that while Plaquenil can cause serious damage to the optic nerve, it's very rare. Annual appointments with an ophthalmologist are important in order to catch any problems early. Plaquenil’s long half-life in the body can cause irreversible and progressive damage, Dr. Fung said. Similarly, one study reported that 16 women who’d taken hydroxychloroquine or chloroquine, or a combination of the agents, showed no improvement seven years after stopping drug therapy, and progression occurred in six of the cases. 2 Plaquenil can cause serious vision problems that aren't always reversible. Tell your doctor immediately if you notice any changes in vision or if you've ever had vision changes while taking.