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. Where can i buy plaquenil without a doctor prescription Best price for plaquenil Dosing is usually much lower in children and infants depending on their body weight, usually 5 mg, calculated as base, per kilogram kg of body weight one 200 mg tablet = 155 mg base. Child. The recommended initial dosage of hydroxychloroquine Plaquenil for the treatment of lupus erythematosus is 400 mg once or twice daily. The recommended maintenance dose range of hydroxychloroquine Plaquenil for the treatment of lupus erythematosus is 200 to 400 mg daily. Hydroxychloroquine may inhibit P-glycoprotein P-gp. Digoxin is a substrate for P-gp transport. For patients on a stable digoxin regimen and initiating hydroxychloroquine, no initial dose adjustment of either drug has been advised; however, serum digoxin concentrations should be monitored and used for digoxin dose titration as clinically. 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. Plaquenil dosage by weight Plaquenil Dosage - eMedTV Health Information Brought To Life, Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy, Alcohol. Whats the dosage that causes plaquenil toxicitySjogrens plaquenil availablePlaquenil macular damage Mg 620 mg base followed by 400 mg 310 mg base at 6 hours, 24 hours and 48 hours after the initial dose total 2000 mg hydroxychloroquine sulfate or 1550 mg base. Weight Based Dosage In Adults And Pediatric Patients Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Plaquenil hydroxychloroquine sulfate dose, indications.. Plaquenil Hydroxychloroquine Side effects, Images, Uses.. The dosage is based on body weight. 6.5 mg/kg maximum dose 400 mg should be given on the same day each week starting 2 weeks before exposure to malaria. Detailed Hydroxychloroquine dosage information for adults and children. Includes dosages for Rheumatoid Arthritis, Systemic Lupus Erythematosus, Malaria Prophylaxis and more; plus renal, liver and dialysis adjustments. 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.