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. Skin cancer risk f plaquenil What is plaquenil medication Plaquenil toxicity ideal body weight At recommended doses, the risk of toxicity up to 5 years is under 1% and up to 10 years is under 2%, but it rises to almost 20% after 20 years. However, even after 20 years, a patient without toxicity has only a 4% risk of converting in the subsequent year. MAJOR RISK FACTORS High dose and long duration of use are the most significant risks. Nov 25, 2019 Detailed Hydroxychloroquine dosage information for adults and children. Includes dosages for Rheumatoid Arthritis, Systemic Lupus Erythematosus, Malaria Prophylaxis and more; plus renal, liver and dialysis adjustments. The risk may be much higher because retinopathy can be detected earlier when using more sensitive screening techniques. OBJECTIVES To reassess the prevalence of and risk factors for hydroxychloroquine retinal toxicity and to determine dosage levels that facilitate safe use of the drug. 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. Omphthamologists risks of hydroxychloroquine Eye screening for patients taking hydroxychloroquine., Hydroxychloroquine Dosage Guide with Precautions - Chloroquine pubchemChloroquine sle mechanism Hydroxychloroquine is a commonly used medication for rheumatoid arthritis, systemic lupus erythematosus, discoid lupus, Sjögren syndrome, juvenile idiopathic arthritis, other mixed connective tissue autoimmune conditions, non-small cell lung cancer, and graft-versus-host disease GVHD, to name a few. Determine risk for hydroxychloroquine retinal toxicity.. The risk of toxic retinopathy in patients on long-term.. What are the side effects of using hydroxychloroquine.. Abstract Background The American Academy of Ophthalmology recommendations on screening for chloroquine CQ and hydroxychloroquine HCQ retinopathy are revised in light of new information about the prevalence of toxicity, risk factors, fundus distribution, and effectiveness of screening tools. Some side effects of hydroxychloroquine may occur that usually do not need medical attention. 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. Conclusion. Patients and their physicians prescribing hydroxychloroquine need to be keenly aware of retinal toxicity risks and the importance of regular screening, and ophthalmologists who see these patients should keep retinal toxicity in the front of their minds.