Take this medicine with meals or milk to lessen stomach upset, unless otherwise directed by your doctor. Your infection may not clear up if you stop using the medicine too soon. Chloroquine or mefloquine resistance malaria Plaquenil immunocompromised Can plaquenil grow hair Hydroxychloroquine and t cells 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. Guidelines for Treatment of Malaria in the United States Based on drugs currently available for use in the United States — October 1, 2019 1 CDC Malaria Hotline 770 488-7788 or 855 856-4713 toll free Monday –Friday, 9 am to 5 pm EST; 770 488-7100 after hours, weekends, and holidays Feb 19, 2020 To be effective, the dose of activated charcoal should be at least five times the estimated dose of hydroxychloroquine ingested. Consideration should be given to administering diazepam parenterally since studies suggest that it may be beneficial in reversing chloroquine and hydroxychloroquine cardiotoxicity. The dose of this medicine will be different for different patients. For patients taking hydroxychloroquine to prevent malaria: If you are also taking kaolin or antacids, take them at least 4 hours before or after using hydroxychloroquine. Hydroxychloroquine dose for malaria Hydroxychloroquine Side Effects, Dosage, Uses, and More, Guidelines for Treatment of Malaria in the United States. Plaquenil and acid reflux Hydroxychloroquine comes as a tablet to take by mouth. For prevention of malaria in adults, two tablets are usually taken once a week on exactly the same day of each week. The first dose is taken 1 to 2 weeks before traveling to an area where malaria is common, and then doses are continued for 8 weeks after exposure. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Chloroquine & Hydroxychloroquine supporting chemo.. The recommended hydroxychloroquine dosage for treating rheumatoid arthritis is 400 to 600 mg daily. For the treatment of lupus, the suggested dose is 400 mg once or twice daily. To prevent malaria in adults traveling to an area of high risk, the recommended dosage is 400 mg once weekly, starting two weeks before anticipated exposure. 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. Children—Dose is based on body weight and must be determined by your doctor. At first, 13 mg per kg of body weight taken as a single dose. Then, 6.5 mg per kg of body weight taken 6 hours, 24 hours, and 48 hours after the first dose. However, dose is usually not more than 800 mg for the first dose and not more than 400 mg for the next doses.