These medications are initially used in the prophylaxis and treatment of malaria. Plaquenil has replaced chloroquine because it produces less retinal side effects. Weight based dosing plaquenil Pka of chloroquine How often to take chloroquine Hydroxychloroquine discontinue Aug 06, 2014 Hydroxychloroquine, sold under the brand name Plaquenil Sanofi-Aventis, is an antimalarial drug that has gained widespread use in treating various autoimmune diseases, including systemic lupus erythematosus and rheumatoid arthritis. 1 By some estimates, more than 150,000 patients are on long-term therapy with this medication in America alone. 2 Retinal toxicity associated with HCQ use is. Retinal toxicity is found among people who take Plaquenil, especially for people who are female, 40-49 old, have been taking the drug for 5 - 10 years, also take medication Arava, and have Osteoporosis Developing toxicity than daily dose/kilogram which older literature focused upon19 Research has shown that the risk of toxicity begins to increase sharply towards 1% after approximately 5 to 7 years of use19 A cumulative dose that increases the risk of retinal toxicity • 1000g total Hydroxychloroquine HCQ The toxicity resulting from the intake of Plaquenil is due to its affinity for melanin-containing structures in the body. Aside from its initial intended use, it has been also used for the management of rheumatoid arthritis, systemic lupus erythematosus and several other connective tissue disorders . Retinal toxicity from plaquenil Hydroxychloroquine Plaquenil Toxicity and Recommendations., Will you have Retinal toxicity with Plaquenil - eHealthMe Plaquenil sleepyChloroquine phosphate suspension Plaquenil Toxicity Screening Plaquenil Toxicity Screening Plaquenil Toxicity Screening Hydroxychloroquine Sulphate Plaquenil medication has been effectively used for many years for a variety of infectious and autoimmune conditions, including rheumatoid Arthritis RA and Systemic Lupus Erythematosus SLE. On rare occasion, and usually after many years, Plaquenil can damage the central. Plaquenil Toxicity Screening - Retina Group of New York. Early Plaquenil Toxicity Detected without Bull’s Eye Maculopathy. Despite Plaquenil dosing recommendations, retinal toxicity.. Hence, it is imperative that we become familiar with recognizing the spectrum of HVF and SD-OCT findings associated with Plaquenil retinal toxicity. Of note, SD-OCT, in combination with Humphrey visual field testing, is critical for the early detection of Plaquenil retinal toxicity. I just went to Winston-Salem to see a retinal specialist and am waiting for his reply--he did say it looked suspicious for toxicity. I just read an article by a lady who has experienced the same visual disturbances and was diagnosed with toxicity and has been off plaquenil 2 years but her eyes are still getting worse. Lyons emphasizes the importance of annual screening and says that, although annual screening is recommended for everyone taking Plaquenil, it is imperative for people who have been taking the medication for more than 10 years, who have a higher incidence of retinal toxicity. Plaquenil-induced toxicity usually will not occur before five years of.