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. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Chloroquine phosphate marine Hydroxychloroquine sulphate weight gain Teaching about hydroxychloroquine ati testing Chloroquine during pregnancy The study is based on metoprolol tartrate and hydroxychloroquine sulfate the active ingredients of Metoprolol tartrate and Plaquenil, respectively, and Metoprolol tartrate and Plaquenil the brand names. Other drugs that have the same active ingredients e.g. generic drugs are not considered. Dosage of drugs is not considered in the study. Few patients consider visual symptoms as being related to their medicine. However, when you realize that your eyes are really just an extension of your brain, an organ which is extremely sensitive to many drugs, it is not surprising that vision can be impaired by a host of medications. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Metoprolol and hydroxychloroquine Taking Plaquenil for Rheumatoid Arthritis, Medication Cautions in Macular Degeneration - AMDF Jc virus and plaquenilCan plaquenil cause hearing lossHydroxychloroquine mechanism of action ra Metoprolol Warnings. Metoprolol Warnings Metoprolol lowers high blood pressure and chest pain. The effect appears after several weeks of using the drug. If you have allergies, your reactions may be worse when you take Metoprolol. Metoprolol Warnings & Over Dosage #please Avoid Just Medicine. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Interactions between Plaquenil Oral and selected-cyp2d6.. Hydroxychloroquine influences the levels of metoprolol through prevention of its metabolism by competing for the same CYP enzyme, CYP2D6 56. As a result, plasma concentrations and the. Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Jul 07, 2010 Hydroxychloroquine may increase serum levels of metoprolol. The proposed mechanism is inhibition of CYP450 2D6 hepatic metabolism by hydroxychloroquine. In a randomized, double-blind, crossover study, seven healthy subjects with CYP450 2D6 extensive metabolizer phenotypes took 400 mg hydroxychloroquine or placebo twice daily for 8 days, and 100 mg metoprolol orally on the ninth day.