Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Dry cough hydroxychloroquine Management of plaquenil maculopathy Here are the three most common antimalarial drugs prescribed for lupus Hydroxychloroquine Plaquenil This is the most commonly prescribed antimalarial because it is generally believed to cause fewer side effects than the others. Learn about side effects further down in this blog. Hydroxychloroquine is a moderate inhibitor of CYP2D6. Codeine; Promethazine Major Avoid coadministration of hydroxychloroquine and promethazine. Hydroxychloroquine increases the QT interval and should not be administered with other drugs known to prolong the QT interval. Jan 03, 2020 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 dosage. 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. Dosage hydroxychloroquine lupus Hydroxychloroquine Plaquenil Side Effects & Dosage for., Plaquenil hydroxychloroquine sulfate dose, indications, adverse. Plaquenil and bursitisPlaquenil coupons discounts Typical starting dose is 800 mg. This is followed by 400 mg three times 6 hours after the first dose, 24 hours after the first dose, and 48 hours after the first dose. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil Dosage Guide -. Hydroxychloroquine Plaquenil. Plaquenil hydroxychloroquine is commonly used to help keep mild lupus-related problems, such as skin and joint disease, under control. this drug is also effective at preventing lupus flares. The recommended adult dosage for a person with lupus is 200 to 400 mg daily. It can be taken in two doses or at one time. Doses above 400 mg/day are not recommended. It is possible to overdose on Plaquenil as it is rapidly and completely ignored upon ingestion. Hydroxychloroquine is used to treat the symptoms of rheumatoid arthritis and systemic lupus erythematosus and to prevent and treat malaria. Includes hydroxychloroquine side effects, interactions and indications.