If a patient is overweight, one should use the ideal body weight to assess whether the doaily dose is in the toxic range (/= 6.5 mg/kg/day). This graph shows various formulas that have been proposed for deriving ideal body weight for women, because virtually all cases of hydroxychloroquine toxicity have been female. Taking methotrexate and plaquenil Plaquenil brand Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Weight-Based Dosing In Adults And Pediatric Patients 6.5 mg/kg 5 mg/kg base, not to exceed 400 mg 310 mg base, once weekly on the same day of the week starting 2 weeks prior to exposure, and continued for 4 weeks after leaving the endemic area. Weight-based dosing Dose is based on body weight and must be determined by your doctor. At first, 6.5 mg per kilogram kg of body weight, not to exceed 400 mg, once weekly on the same day of the week starting 2 weeks before traveling to an area where malaria occurs, and continued for 4 weeks after leaving the area. For this dosage, any woman with an ideal body weight less than 135 pounds would be in the toxic dose range. The usual hydroxychloroquine dose that is prescribed is 400 mg/day. Weight based dosing plaquenil DailyMed - PLAQUENIL- hydroxychloroquine sulfate tablet, Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. Does marijuanna interact w plaquenilPlaquenil side effects dry mouthHydroxychloroquine dosage by weightWhat happens if i overdose on celecoxib and plaquenilHydroxychloroquine cost without insurance 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. Plaquenil hydroxychloroquine sulfate dose, indications.. What is Plaquenil? - GoodRx. Plaquenil Risk Calculators. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. For children and infants, the dose is based on weight. Usually, 5 mg per kg of body weight about 2.3 mg per pound once weekly is recommended, not to exceed the normal adult dosage. Plaquenil comes only in adult-strength tablets, which taste extremely bitter when crushed or chewed. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Dosage is based on body weight. The typical.