It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. How long does it take plaquenil to work for lupus Does plaquenil make a virus worse Calculates maximum daily dose of hydroxychloroquine to reduce risk of retinopathy. Favorite. IMPORTANT. This calculator is for double-checking hydroxychloroquine dosing, and should NOT be used as the primary means for ordering. When to Use. Pearls/Pitfalls. Why Use 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. The dosage for adults may also be calculated on the basis of body weight; this method is preferred for infants and children. A total dose representing 25 mg of base per kg of body weight is administered in three days, as follows First dose 10 mg base per kg but not exceeding a single dose of 620 mg base. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Maximum dosage of plaquenil Rheumatoid Arthritis Treatment Options Johns Hopkins., Hydroxychloroquine Plaquenil Hydroxychloroquine retinitis pigmentosaPlaquenil full prescribing information What is Hydroxychloroquine, and What Does It Do? According to the American College of Rheumatology, hydroxychloroquine Plaquenil, is a “disease-modifying anti-rheumatic drug DMARD,” meaning that it helps reduce the pain and swelling that come with can also reduce the incidence of joint damage, thus lessening the risk of developing a long-term disability from complications. RA and Hydroxychloroquine How Effective is it for.. PLAQUENIL® - Food and Drug Administration. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Irreversible retinal damage observed in some patients who had received hydroxychloroquine sulfate; significant risk factors for retinal damage include daily doses of hydroxychloroquine sulfate greater than 6.5 mg/kg 5 mg/kg base of actual body weight, durations of use greater than five years, subnormal glomerular filtration. 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. For people who weigh less than 80 kg, a lower daily dose is prescribed, up to a maximum of 5 mg/kg of body weight. SAN FRANCISCO – Hydroxychloroquine Plaquenil dosing based on actual body weight – instead of ideal weight – is appropriate for patients with systemic lupus erythematosus SLE, according to a review of 686 lupus patients at Johns Hopkins University in Baltimore. Most were dosed by actual weight, 6.5 mg/kg up to a maximum of 400 mg/day.