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. What drugs interact with plaquenil Does plaquenil cure lupus 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. 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. Metoprolol Succinate ER is a prescription medication dispensed in a 25 mg tablet form for oral ingestion. Metoprolol Succinate ER can be prescribed as 25 mg, or up to 100 mg tablets if your condition worsens. If you forget to take Metoprolol Succinate ER, be sure to take it as soon as you remember. 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, Metoprolol tartrate and Plaquenil drug interactions - eHealthMe How much does plaquenil cost without insuranceChloroquine expired side effectsHydroxychloroquine 200 mg reviewsDrugs administered with chloroquineHydroxychloroquine 200mg equivalent to methotrexate Metoprolol is used alone or in combination with other medications to treat high blood pressure. It also is used to prevent angina chest pain and to improve survival after a heart attack. Metoprolol also is used in combination with other medications to treat heart failure. Metoprolol MedlinePlus Drug Information. Metoprolol Succinate ER 25mg Side Effects Healthfully. Psoriasis Causes & Triggers National Psoriasis Foundation. Aug 16, 1999 Metoprolol is a β 1 -selective adrenoceptor antagonist that is widely used for the treatment of hypertension, angina pectoris and certain dysrhythmias. It is metabolized in liver mainly by O -demethylation 65% of the total metabolism, by aliphatic hydroxylation to α-hydroxymetoprolol 10%, and by N -alkylation 10% 25. Metoprolol tartrate and metoprolol succinate both carry a boxed warning, the most serious warning from the FDA. The FDA warns that either drug may cause worse chest pain or a heart attack if you. Metoprolol/Selected CYP2D6 Inhibitors Interactions. This information is generalized and not intended as specific medical advice. Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment.