Please review the following URL and make sure that it is spelled correctly. Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. When is the best time to take plaquenil Mucinex and hydroxychloroquine 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. Rheumatoid Arthritis. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses. In a small percentage of patients, side effects may require temporary reduction of the initial. Hydroxychloroquine brand namePlaquenil is a disease-modifying anti-rheumatic drug DMARD approved for adults with RA. It is often given in combination with methotrexate and sulfasalazine a treatment known as triple therapy, to help slow RA disease progression for patients who do not get relief from methotrexate therapy alone. 1,2. Research shows that this medication reduces RA symptoms. This medicine is not effective against all strains of malaria. Malaria is common in areas such as Africa, South America, and Southern Asia. Plaquenil arthritis symptoms Hydroxychloroquine Oral Uses, Side Effects, Interactions., Plaquenil Dosage Guide - Plaquenil is taken with or without foodPlaquenil class Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine may also be used for purposes not listed in this. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Treatments for Rheumatoid Arthritis. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis.. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. this for lupus or arthritis. Your symptoms may improve before the infection is completely cleared. When treating lupus or arthritis, tell your doctor if your symptoms do not improve after 6 months of treatment. Before taking this medicine. You should not use Plaquenil if you are allergic to hydroxychloroquine. Plaquenil should not be used for long-term treatment in children.