Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine fluorescence spectrum Side effects of hydroxychloroquine sulfate tablets Plaquenil and bleeding Hydroxychloroquine and metformin Hydroxychloroquine and Chloroquine have a similar dose related risk assessment 10mg / kg is potentially toxic; Increasing mortality is expected at doses 30mg / kg 5 grams in adults is fatal without intervention; Children Ingestion of just one tablet can be fatal in the under 6 year olds. Clinical features Onset within 1 -2 hours. Dizziness Suppressive therapy should begin 2 weeks prior to exposure; however, failing this, an initial dose of 800 mg 620 mg base may be taken in 2 divided doses 6 hours apart. -Suppressive therapy should continue for 8 weeks after leaving the endemic area. -Each dose should be taken with a meal or a glass of milk. Plaquenil hydroxychloroquine is commonly used to help keep mild lupus-related problems, such as skin and joint disease, under control. This drug is also effective at preventing lupus flares. 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. Chloroquine dose for lupus Chloroquine Aralen - Side Effects, Dosage, Interactions., Hydroxychloroquine Dosage Guide with Precautions - Hydroxychloroquine 200 mg tab en espanolHydroxychloroquine class action lawsuitBuy hydroxychloroquine sulphateChloroquine cataractHydroxychloroquine cancer treatment Dose equivalence and conversion. Doses expressed as chloroquine base. Each tablet contains 155 mg of chloroquine base equivalent to 250 mg of chloroquine phosphate. Syrup contains 50 mg/5 mL of chloroquine base equivalent to 80 mg/5 mL of chloroquine phosphate. CHLOROQUINE Drug BNF content published by NICE. How is plaquenil hydroxychloroquine used to treat lupus?. Aralen, Chloroquine phosphate chloroquine dosing.. Aralen Chloroquine Aralen is a prescription medication approved by the Food and Drug Administration FDA in 1949 to treat malaria. Aralen is also prescribed to treat inflammation associated with lupus. Aralen is also known by its drug name, Chloroquine. Chloroquine CQ is used to prevent and treat malaria and amebiasis, while hydroxychloroquine HCQ, a less toxic metabolite of chloroquine, is used to treat rheumatic diseases such as systemic lupus erythematosus SLE, rheumatoid arthritis RA, juvenile idiopathic arthritis JIA and Sjogren's syndrome. For treatment of acute attacks of malaria in adults, one dose is usually taken right away, followed by half the dose 6 to 8 hours later and then half the dose once a day for the next 2 days. For prevention and treatment of malaria in infants and children, the amount of chloroquine phosphate is based on the child's weight.