Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Production of chloroquine Sam's club pharmacy hydroxychloroquine Do not double dose at one time to catch up. Plaquenil should be stored away from light and moisture and at room temperature up to 86 degrees F 30 degrees C. Hydroxychloroquine is often used in combination with other drugs for more severe disease activity. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. For malaria prevention, take this medication by mouth once a week on the same day of the week, or as directed by your doctor. Mark a calendar to help you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose. What happens if I overdose Plaquenil, Plaquenil Sulfate, Quineprox? Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of hydroxychloroquine can be fatal, especially in children. 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. Plaquenil staggered dose Hydroxychloroquine - Side Effects, Dosage, Interactions., Plaquenil Oral Uses, Side Effects, Interactions, Pictures. Drugs for rheumatoid arthritis starting with hydroxychloroquineChloroquine resistance and malariaChloroquine pregnancy riskThe deneric plaquenil is not as good as non generic The majority of cases of retinotoxicity have occurred in patients that have had a cumulative dose exceeding 1000g of hydroxychloriquine Plaquenil. This level is reached in about 7 years with the most common daily dose of Plaquenil, 400 mg/day 200 bid. Plaquenil Risk Calculators. Plaquenil Hydroxychloroquine Side effects, Images, Uses.. Plaquenil hydroxychloroquine sulfate dosing, indications.. Following a single 200 mg oral dose of PLAQUENIL to healthy males, the mean peak blood concentration of hydroxychloroquine was 129.6 ng/mL, reached in 3.26 hours with a half-life of 537 hours 22.4 days. Hydroxychloroquine retinopathy is most influenced by daily dose and duration of use. Risk for toxicity is less with 5.0 mg/kg real weight/day for hydroxychloroquine and 2.3 mg/kg real weight/day for chloroquine. Patients are at low risk during the first 5 years of treatment. Nov 25, 2019 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.