Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine effectiveness Eye doctor hydroxychloroquine How to take hydroxychloroquine Does hydroxychloroquine have renal toxicity Jan 03, 2020 In a small percentage of patients, side effects may require temporary reduction of the initial dosage. Maintenance adult dosage When a good response is obtained, the dosage may be reduced by 50 percent and continued at a maintenance level of 200 mg to 400 mg 155 to 310 mg base daily, administered as a single daily dose or in two divided doses. The mean AUC of methotrexate was increased 52% and the mean Cmax was reduced 17% when a single dose of methotrexate was given with a dose of hydroxychloroquine 200 mg oral. Close monitoring for evidence of methotrexate toxicity should be done in patients receiving this combination, especially in those with reduced renal function. Hydroxychloroquine Plaquenil Chloroquine Aralen Quinacrine Atabrine What are anti-malarial drugs, and why are they used to treat lupus? Hydroxychloroquine Plaquenil, chloroquine Aralen, and quinacrine Atabrine are medications that were originally used to prevent or treat malaria. 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. Hydroxychloroquine lupus dose Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects., Plaquenil hydroxychloroquine sulfate dose, indications. Nursing responsibility of chloroquineHow to wean from plaquenil Three anti-malarial drugs are prescribed for lupus symptoms. Hydroxychloroquine Plaquenil is the most commonly prescribed because it is generally believed to cause fewer side effects; chloroquine Aralen has a reputation for more serious side effects. Treating Lupus with Anti-Malarial Drugs Johns Hopkins.. Treating Lupus with Anti-Malarial Drugs Johns Hopkins Lupus.. Hydroxychloroquine Blood Levels in SLE Clarifying dosing.. 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. Hydroxychloroquine is generally prescribed at a daily dose of 6.5 milligrams or less per kilogram of body weight. Using this formula, the dosage for a 150-pound person would be 443 mg/day, as one kilogram equals 2.2 pounds. Because HCQ is formulated as a 200 mg tablet, many people taking it for lupus will take two pills per day. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis or juvenile idiopathic arthritis and other autoimmune diseases. It is not clear why hydroxychloroquine is effective at treating autoimmune diseases.