Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Concordia pharmaceuticals plaquenil Patient teaching on hydroxychloroquine Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. If you have psoriasis, chloroquine Aralen and hydroxychloroquine Plaquenil can cause problems. Other Medicines That Might Trigger a Flare. A few other drugs to discuss with your doctor include 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 Pharmacokinetics of hydroxychloroquine and chloroquine during treatment., Plaquenil hydroxychloroquine sulfate dosing, indications. Hydroxychloroquine diagnostic testsLysosome fusion inhibitor chloroquineApteka internetowa plaquenilStomach digestion meditcation plaquenilCan you take hydroxychloroquine while breastfeeding The study is based on ranitidine hydrochloride and hydroxychloroquine sulfate the active ingredients of Zantac and Hydroxychloroquine sulfate, respectively, and Zantac and Hydroxychloroquine sulfate the brand names. Other drugs that have the same active ingredients e.g. generic drugs are not considered. Zantac and Hydroxychloroquine sulfate drug interactions.. Drugs & Medications That Can Trigger Psoriasis Flare-Ups. Zantac and Plaquenil drug interactions - eHealthMe. 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. A study of FDA data drug interactions are found among 43 people who take Hydroxychloroquine sulfate and Ranitidine hydrochloride. See what the interactions are, when they happen and for which people. 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.