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. Hydroxy chloroquine dosage for rheumatoid arthritis What does plaquenil do for porphyria Does plaquenil cause you to gain weight 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. Hydroxychloroquine can lower the seizure threshold; therefore, the activity of antiepileptic drugs may be impaired with concomitant use. Metoprolol Moderate Monitor for increased metoprolol adverse reactions including bradycardia and hypotension during coadministration. A dosage reduction for metoprolol may be needed based on response. 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. 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 Plaquenil and Enbrel - Arthritis - Inspire, Plaquenil hydroxychloroquine sulfate dose, indications. Plaquenil and strokeHydroxychloroquine in lactationPlaquenil urticarial vasculitis Not all medicines respond well when taken together, and there is always the possibility of developing negative drug interactions. With metoprolol, these interactions can cause your body to metabolize the medicines differently than intended and result in problems like excessive drug levels in your system, extremely low blood pressure, slow heart rate, or low blood sugar levels, among other things. Drug Interactions With Metoprolol - Heart Disease Home Page. Hydrochlorothiazide and metoprolol - CardioSmart. Drug Interactions With Metoprolol Tartrate. 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. Feb 19, 2020 SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Metoprolol oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works.