Chloroquine is now uncommonly used in favor of its derivative hydroxychloroquine. In the United States, hydroxychloroquine is most often used for its anti-inflammatory effects in rheumatology and dermatology. Hydroxychloroquine reviews sjogren& 39 Plaquenil slecht zien Plaquenil maculopathy dose Chloroquine and itching Endocrine and Metabolism PLAQUENIL has been shown to cause severe hypoglycemia including loss of consciousness that could be life threatening in patients treated with and without antidiabetic medications. Patients treated with PLAQUENIL should be warned about the risk of hypoglycemia and the associated clinical signs and symptoms. Cimetidine Moderate Avoid concomitant use of hydroxychloroquine and cimetidine as cimetidine may inhibit the metabolism of hydroxychloroquine as observed with the structurally similar chloroquine. However, the mechanism of inhibition of chloroquine metabolism appears to be via CYP inhibition, and hydroxychloroquine is not a known CYP substrate; cimetidine inhibition of hydroxychloroquine metabolism has not been demonstrated. Plaquenil Pharmacokinetics Distribution Extent. Distributed into milk. 102. Elimination Metabolism. Partially metabolized; major metabolites are desethylhydroxychloroquine and desethylchloroquine. 100 Bisdesethylchloroquine, a carboxylic acid derivative, also formed in small amounts. 100. Elimination Route While early toxicity may be asymtomatic, patients with more advanced stage of toxicity may complain of color vision changes or paracentral scotomas. Its toxic effects on the retina are seen in the macula. Plaquenil metabolism Hydroxychloroquine - Wikipedia, Plaquenil hydroxychloroquine sulfate dose, indications. Plaquenil and cold medicineHydroxychloroquine indicationsPsoriasis from generic plaquenilChloroquine phosphate 250 mgChloroquine in lepra reaction Hydroxychloroquine Plaquenil, chloroquine Aralen, and quinacrine Atabrine are medications that were originally used to prevent or treat malaria. However, during World War II it was also found that these medications were effective in treating the symptoms of lupus. Treating Lupus with Anti-Malarial Drugs Johns Hopkins.. Plaquenil Monograph for Professionals -. Plaquenil hydroxychloroquine sulfate dosing, indications.. The risk may also be higher with some doses of Plaquenil hydroxychloroquine, if you use Plaquenil hydroxychloroquine for longer than 5 years, or if you take certain other drugs like tamoxifen. Call your doctor right away if you have any eyesight changes like blurred or foggy eyesight, trouble focusing or reading, or trouble seeing in dim light. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others.