Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Sarcoidosis treatment usmle hydroxychloroquine Plaquenil or methotrexate What if plaquenil doesn't work for lupus Plaquenil eye exam same as regular eye exam HYDROXYCHLOROQUINE is used to treat rheumatoid arthritis and systemic lupus is also used to treat malaria. The lowest GoodRx price for the most common version of generic Plaquenil is around $20.41, 88% off the average retail price of $177.73. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Our Plaquenil hydroxychloroquine Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Lupus medication plaquenil side effects The Risk of Retinal Toxicity with Plaquenil, Hydroxychloroquine MedlinePlus Drug Information Rheumatoid factor plaquenilHydroxychloroquine and malarone Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine Plaquenil Side Effects Common, Severe, Long Term -. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Plaquenil Oral Uses, Side Effects, Interactions, Pictures.. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Plaquenil is a prescription medication approved by the Food and Drug Administration FDA to treat inflammation associated with lupus in people whose symptoms have not responded to drugs with lower risk for side effects. Plaquenil is also known by its drug name, Hydroxychloroquine. Medical treatment suggested by medical practitioners for persons with lupus includes plaquenil which is a 200 mg. tablet that gives numerous side effects such as nausea, hair bleaching, blurred vision, irreversible retinopathy, loss of hair and pruritus.