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. Plaquenil dose for malaria prevention Plaquenil and raynaud& 39 Chloroquine cq Benefits Hydroxychloroquine is a relatively safe medicine that is used to treat mild rheumatoid arthritis. It is also used for complications of lupus. It is also used for complications of lupus. Risks Hydroxychloroquine has few side effects, but nausea and diarrhea may occur when you first start taking the drug. Hydroxychloroquine Plaquenil® is used for rheumatoid arthritis and systemic lupus erythematosus. Hydroxychloroquine Plaquenil® is an antibiotic used to treat malaria, but it also works to treat symptoms of RA, lupus, and other rheumatic diseases. It can reduce your joint pain and swelling. 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. 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. Hydroxychloroquine azathioprine gout Hydroxychloroquine - Alberta Rheumatology, DMARDs Disease-Modifying Antirheumatic Drugs – CreakyJoints Plaquenil creamIs plaquenilPlaquenil renal dosingPlaquenil qt prolongation Oct 13, 2019 Hydroxychloroquine Plaquenil and sulfasalazine Azulfidine are used for mild rheumatoid arthritis. They are not as powerful as other DMARDs, but they usually cause fewer side effects. In rare cases, Plaquenil can adversely affect the eyes, and people taking this medicine should be seen by an ophthalmologist at least once a year. What are the side effects of using hydroxychloroquine.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Hydroxychloroquine in systemic lupus erythematosus SLE. Azathioprine AZA, sold under the brand name Imuran among others, is an immunosuppressive medication. It is used in rheumatoid arthritis, granulomatosis with polyangiitis, Crohn's disease, ulcerative colitis, systemic lupus erythematosus, and in kidney transplants to prevent rejection. Hydroxychloroquine is a disease-modifying anti-rheumatic drug DMARD. It regulates the activity of the immune system, which may be overactive in some conditions. Hydroxychloroquine can modify the underlying disease process, rather than simply treating the symptoms. DMARD Side Effects and Use. Hydroxychloroquine Plaquenil and sulfasalazine Azulfidine are used for mild rheumatoid arthritis. They are not as powerful as other DMARDs, but they usually cause fewer side effects. In rare cases, Plaquenil can adversely affect the eyes, and patients taking this medicine should be seen by an ophthalmologist at least once a year.