Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine vs malarone Plaquenil mouth ulcers Chloroquine disadvantages gov Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. This can be harmful or prevent the drug from. Chloroquine Aralen and Hydroxychloroquine Plaquenil Chloroquine phosphate or hydroxychloroquine sulfate can be used for prevention of malaria only in destinations where chloroquine resistance is not present see Maps 2-7 and 2-8 or the next section in this chapter, Malaria Risk Information and Prophylaxis, by Country. For oral dosage form tablets For prevention of malaria Adults— Standard dosing 400 mg once a week on the same day of each week starting 2 weeks before traveling to an area where malaria occurs, and continued for 4 weeks after leaving the area. Weight-based dosing Dose is based on body weight and must be determined by your doctor. 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. Plaquenil dosage for malaria prevention Hydroxychloroquine - Wikipedia, Malaria Prevention – Chloroquine is used to treatPlaquenil wrong medication Hydroxychloroquine dosing information. Usual Adult Dose for Malaria Treatment of the acute attack 800 mg 620 mg base followed in 6 to 8 hours by 400 mg 310 mg base, then 400 mg 310 mg base once a day for 2 consecutive days; alternatively, a single dose of 800 mg 620 mg base has also been effective Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine Oral Route Proper Use - Mayo Clinic. Plaquenil Dosage Guide -. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil 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, and Southern Asia. This medicine is not effective against all strains of malaria. Chemical formula of hydroxychloroquine sulfate commonly known by its old brand-name Plaquenil were first used to treat malaria, but the malaria-causing organism soon became resistant to them. However, during the treatment of patients with malaria who also had lupus, it was noted that their skin rashes improved. Of course, no drug is absolutely safe. Plaquenil rashes are seen relatively frequently. Some patients simply don’t tolerate the drug. Diarrhea and headaches may be a reason for discontinuation, and rare cases of neuromyopathy have been reported. A 45-year-old patient of mine on Plaquenil for 12 years developed a cardiomyopathy.