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. Discontinuing plaquenil now have muscle spasms How safe is chloroquine during pregnancy How can plaquenil affect your eyes 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 lupus, rheumatoid arthritis, and others. 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. Apr 10, 2019 Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking Plaquenil 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. 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 long term Plaquenil What You Need to Know - Kaleidoscope Fighting Lupus, Focus on Eyes Long-term Plaquenil intake can affect your vision Plaquenil eye testingHydroxychloroquine sulfate cost Aug 15, 2017 Patients taking Plaquenil hydroxychloroquine, Sanofi-Aventis on a long-term basis may leave you scratching your head when it comes to coding the patient encounters. Coding Long-term Medications. Plaquenil Uses, Dosage & Side Effects -. Hydroxychloroquine Plaquenil. Feb 19, 2020 Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Side Effects. Drug information provided by IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth.