One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine (Plaquenil), a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. Another medication that can be taken with plaquenil Plaquenil rheumatoid arthritis dosage Chloroquine phosphate dosage for adults Has anyone experienced plaquenil toxicity with damage to eyes. Plaquenil toxicity is not reversible in most cases and continues to progress even after you stop taking it for several month and sometimes years because of the half life of Plaquenil One should see a retina special before taking Plaquenil in my opinion. I am going blind. Diagnosis Hydroxychloroquine-induced retinal toxicity Discussion. Chloroquine CQ and hydroxychloroquine Plaquenil HCQ have been used for many years, initially for the treatment of malaria but now more commonly for the treatment of inflammatory diseases such as rheumatoid arthritis and lupus 1. Damage to their retina, the light sensitive layer of cells at the back of the eye. This is known as retinal toxicity or retinopathy. Overall, around seven patients out of every 100 taking hydroxychloroquine for more than five years may develop retinopathy that can be detected with specialised tests. The risk is much higher in patients who have been It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. How quickly does eye damage progress hydroxychloroquine Hydroxychloroquine retinopathy A review of imaging, Hydroxychloroquine Plaquenil Toxicity and Recommendations for Screening Benefits drawbacks hydroxychloroquine Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Eye screening for patients taking hydroxychloroquine.. Eye screening for patients taking hydroxychloroquine Plaquenil®. Remember, any patient who is at a high risk for Plaquenil toxicity should be examined on an annual basis following the baseline exam. The goal of monitoring/screening is to identify early macular damage prior to irreversible vision loss or even before visible signs of bull’s eye maculopathy. Hydroxychloroquine is taken in tablet form, with or after food. Your doctor will advise you about the correct dose. Usually you will start on a full dose of 200–400 mg daily, and later your doctor may reduce this. When your condition is very well controlled you may be advised to take hydroxychloroquine only 2–3 times per week. Plaquenil, hydroxychloroquine HCQ, is an anti-malarial medication that has been proven to be useful in the treatment of patients with rheumatoid arthritis RA, systemic lupus erythematosus SLE and other inflammatory and autoimmune diseases.