Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Aralen online shoes Hydroxychloroquine drug card Plaquenil depression The usual starting dose of Plaquenil is 200 mg twice a day or 400 mg once a day, administered orally, in people weighing 80 kg or more. The usual dosage works for most people who take Plaquenil, but it is possible to increase or decrease the dose based on individual needs. It's important to watch for possible side effects and toxicity. When phenothiazine medications, certain beta blockers, or certain parasite medicines are taken together with Plaquenil, interactions can occur that may affect the drug levels in your blood. This could increase your risk for side effects or decrease the effectiveness of the medicines. WebMD provides information about interactions between Plaquenil Oral and selected-cyp2d6-inhibitors-metoprolol. know that you are taking these medicines together. Let your doctor know if you. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Can metoprolol and plaquenil be taken together Metoprolol Side Effects, Dosage, Uses, and More, Plaquenil Interactions - Antibiotics Home Page Chloroquine torsades Jul 07, 2010 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. Average metoprolol AUC increased by 65% and maximum plasma concentrations increased by 72%. Does plaquenil have a negative effect on metoporol?. Interactions between Plaquenil Oral and selected-cyp2d6.. Plaquenil and Enbrel - Arthritis - Inspire. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding. Drug Interactions. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. Summary Drug interactions are reported among people who take Metoprolol tartrate and Plaquenil together. This study is created by eHealthMe based on reports of 288 people who take Metoprolol tartrate and Plaquenil from Food and Drug Administration FDA, and is updated regularly. Using metoprolol can make it harder for you to tell when you have low blood sugar. Your insulin or diabetic medication needs may change while you are taking hydrochlorothiazide and metoprolol. Talk with your doctor before changing any doses. Hydrochlorothiazide and metoprolol can affect the results of certain thyroid tests.