Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Does plaquenil need to be tapered Chloroquine intercalating 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. Hydroxychloroquine is commonly used alongside other disease-modifying drugs including methotrexate – especially for rheumatoid arthritis. However, some drugs can interact with hydroxychloroquine. Indigestion remedies for example, antacids including some over-the-counter preparations can stop hydroxychloroquine being absorbed. The study is based on ranitidine and hydroxychloroquine sulfate the active ingredients of Ranitidine and Plaquenil, respectively, and Ranitidine and Plaquenil the brand names. Other drugs that have the same active ingredients e.g. generic drugs are not considered. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine and ranitidine Popular heartburn drug ranitidine recalled What you need to know and., Hydroxychloroquine Side-effects, uses, time to work Side effects of plaquenil for rheumatoid arthritis Consumer information about the medication HYDROXYCHLOROQUINE - ORAL Plaquenil, includes side effects, drug interactions, recommended dosages, and storage information. Read more about the prescription drug HYDROXYCHLOROQUINE - ORAL. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects, medical uses, and.. Ranitidine and Plaquenil drug interactions - eHealthMe. . Pharmacokinetics of hydroxychloroquine and chloroquine during treatment of rheumatic diseases. Furst DE1. Author information 1Arthritis Clinic Research Unit, Virginia, Mason Arthritis Clinic Research, Seattle, WA 98101, USA. Hydroxychloroquine HCQ and chloroquine CQ are well absorbed 0.7-0.8 bioavailability when given orally. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage. Hydroxychloroquine sulfate and Ranitidine hydrochloride drug interactions by duration, gender and age - a study of FDA data Summary Drug interactions are reported among people who take Hydroxychloroquine sulfate and Ranitidine hydrochloride together. See what the interactions are, when they happen and for which people.