Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Dermatomyositis rash and plaquenil Plaquenil for itp Lichen planus chloroquine People taking 400 mg of hydroxychloroquine or less per day generally have a negligible risk of macular toxicity, whereas the risk begins to go up when a person takes the medication over 5 years or has a cumulative dose of more than 1000 grams. The usual starting dose of Plaquenil is 200 mg twice a day or 400 mg once a day, administered orally, in people weighing 80 kg or more. The usual dosage works for most people who take Plaquenil, but it is possible to increase or decrease the dose based on individual needs. It's important to watch for possible side effects and toxicity. Mg/kg base not to exceed 400 mg 310 mg base PO weekly, starting 2 weeks before exposure and continued for 4 weeks after departure from area With prolonged therapy, obtain CBCs periodically. 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 of plaquenil Daily Plaquenil Dosage - Crunching Numbers, Taking Plaquenil for Rheumatoid Arthritis Hydroxychloroquine sulfate中文Hydroxychloroquine for lupus side effectsPlaquenil westport ct visual fieldHydroxychloroquine cousins Initial dose 400 mg 310 mg base orally 1 to 2 times a day; this dose may be continued for several weeks or months, depending on patient response. Maintenance dose 200 to 400 mg 155 to 310 mg base orally daily. Comments -Each dose should be taken with a meal or a glass of milk. Hydroxychloroquine Dosage Guide with Precautions -. Plaquenil hydroxychloroquine sulfate dosing, indications.. Hydroxychloroquine Oral Route Precautions - Mayo Clinic. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. To treat malaria Hydroxychloroquine is usually given for 3 days, starting with one high dose followed by a smaller dose during the next 2 days in a row. Take this medicine for the full prescribed length of time for malaria. And of greater importance, Plaquenil has less systemic side effects than other drugs used for lupus, so there is a real advantage in using it as long as one can. You want a high threshold for.