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 sulfate pharmacological class Plaquenil maculopathy fluorescence angiography Oct 25, 2012 This paper presents the current state of knowledge on chloroquine disposition, with special emphasis on stereoselectivity and microsomal metabolism. In addition, the impact of the patient’s physiopathological status and ethnic origin on chloroquine pharmacokinetics is discussed. In humans, chloroquine concentrations decline multiexponentially. The drug is extensively distributed, with a. 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. Antimalarials and effects on lipid metabolism. There is increasing evidence demonstrating the beneficial impact of antimalarial agents on lipid metabolism besides glycemic control Table 2. In rat hepatocytes, CQ was shown to be an effective inhibitor of cholesterol synthesis Beynen et al. 1981. 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 How to Succeed in Plaquenil Screenings, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Plaquenil side effects vaginalDoxorubicin chloroquine liposomePlaquenil retinal damageDizziness and plaquenil PLAQUENIL is indicated for the treatment of chronic discoid lupus erythematosus and systemic lupus erythematosus in adults. Rheumatoid Arthritis. PLAQUENIL is indicated for the treatment of acute and chronic rheumatoid arthritis in adults. CONTRAINDICATIONS. Use of PLAQUENIL is contraindicated in patients with known hypersensitivity to 4 PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION. A favorable effect of hydroxychloroquine on glucose and.. Treating Lupus with Anti-Malarial Drugs Johns Hopkins.. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. WebMD provides information about interactions between Plaquenil Oral and selected-cyp2d6-inhibitors-metoprolol. Hinz B, Brune K. Celecoxib inhibits metabolism of cytochrome P450 2D6 substrate. 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.