These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Hydroxychloroquine sulfate tablets usp 200 mg side effects Chloroquine countries Chloroquine and fertility Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. missing/blacked-out areas of vision. Protecting your eyesight when taking Plaquenil. With all of the physical and emotional complications that lupus can cause, it’s easy to overlook symptoms that seem minor at first. But take this advice Don’t ignore changes in vision. Feb 20, 2018 Focus on Eyes Long-term Plaquenil intake can affect your vision. Taking high doses or long-term treatment of Plaquenil, an anti-malaria drug used to treat lupus, can lead to vision problems. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Plaquenil vision effects Who Is at Risk for Vision Loss with Plaquenil? - American., Protecting your eyesight when taking Plaquenil Lupus. Plaquenil skin changesPlaquenil drug nutrient interactionsDoes plaquenil cause acne Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Hydroxychloroquine-Induced Retinal Toxicity - American.. Focus on Eyes Long-term Plaquenil intake can affect your vision. What Is Plaquenil? - American Academy of Ophthalmology. Serious side effects and their symptoms can include the following blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or. Get medical help right away if you have any very serious side effects, including sensitivity to light, vision changes e.g. blurred vision, seeing light flashes/streaks/halos, missing/blacked-out areas of vision, muscle weakness, numbness/tingling/pain of the arms/legs. 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.