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. Side effects of chloroquine and proguanil Does plaquenil treat scleroderma Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. The study concludes that hydroxychloroquine therapy is safe for long-term use at doses 5 mg/kg/day. Learn about how lupus affects the eyes and hydroxychloroquine. MADRID — Long-term use of hydroxychloroquine was associated with reduced cardiovascular risks in a cohort of patients with systemic lupus erythematosus, according to findings presented at the. 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. Long term use of hydroxychloroquine RA and Hydroxychloroquine How Effective is it for Rheumatoid., Safety of Long term use of Hydroxychloroquine Therapy. Complete list of side effects of plaquenilPlaquenil thrombocytopeniaWhats the dosage that causes plaquenil toxicity Hydroxychloroquine HCQ was suggested to play a role in lowering antiphospholipid antibody titers and preventing thrombotic recurrences in patients with systemic lupus erythematosus, but few data are available in patients with primary antiphospholipid syndrome PAPS. Long-term use of hydroxychloroquine reduces antiphospholipid.. Long-term hydroxychloroquine therapy may reduce.. Coding Long-term Medications. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking this medicine 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. Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine may also be used for purposes not listed in this medication.