Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take hydroxychloroquine with all of your drugs and health problems. Chloroquine lysosomal inhibitor transfection Undifferentiated connective tissue disease hydroxychloroquine May 24, 2019 A very bad and sometimes deadly reaction has happened with hydroxychloroquine. Most of the time, this reaction has signs like fever, rash, or swollen glands with problems in body organs like the liver, kidney, blood, heart, muscles and joints, or lungs. Talk with the doctor. Keep away from children. The study is based on acetaminophen / dextromethorphan / doxylamine / pseudoephedrine and hydroxychloroquine sulfate the active ingredients of Nyquil and Plaquenil, respectively, and Nyquil and Plaquenil the brand names. Other drugs that have the same active ingredients e.g. generic drugs are not considered. Summary Drug interactions are reported among people who take Plaquenil and Doxycycline hyclate together. This study is created by eHealthMe based on reports of 84 people who take Plaquenil and Doxycycline hyclate from Food and Drug Administration FDA, and is updated regularly. For all uses of hydroxychloroquine: WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Do not start, stop, or change the dose of any drug without checking with your doctor. Hydroxychloroquine and dextromethorphan together Hydroxychloroquine MedlinePlus Drug Information, Nyquil and Plaquenil drug interactions - eHealthMe Biaxin and plaquenil lyme diseasePlaquenil lyme arthritisWhat time of day to take plaquenilFibro and plaquenilDoes plaquenil cause anemia Nov 09, 2018 Hydroxychloroquine 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. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Plaquenil and Doxycycline hyclate drug interactions - from.. Does anyone take methotrexate and hydroxychloroquine.. Mar 17, 2019 Hydroxychloroquine is a quinoline medicine 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. This medicine is not effective against all strains of malaria. Aug 16, 1999 Metoprolol and dextromethorphan DM were selected as probe drugs because they are well-studied and widely used test substrates of CYP2D6. In this randomized, double-blind crossover study, seven healthy volunteers with extensive metabolizer phenotype for CYP2D6 ingested either 400 mg hydroxychloroquine or placebo daily for 8 days after which single oral dose pharmacokinetics of metoprolol were investigated. The interaction can lead to a marked increase in plasma concentration levels of digoxin in more than 90% of patients.4Significant changes in serum digoxin are noticed within 24 hours. The average increase is roughly 2-fold.5The effects from this interaction range from nausea and vomiting to death.