Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine brain tumor Hydroxychloroquine 200 mg bid Chloroquine sensitive Aralen manufacturer 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. Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. How to use Plaquenil. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. 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 first dose Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects., Hydroxychloroquine Uses, Dosage & Side Effects - Plaquenil drugHydroxychloroquine and weight gainChloroquine phosphate side effectsChloroquine phosphate lethPlaquenil side effects back pain I usually start with a low dose of 100-200 mg per day to help the patient adapt to the medicine and allow an increase in dose later to as high as 300-400 mg per day. Less common adverse effects of Plaquenil are drug-induced skin rashes. These rashes may consist of many small red bumps or bright red skin covering most of the body. Plaquenil Use in Autoimmune Diseases. Plaquenil Oral Uses, Side Effects, Interactions.. Plaquenil hydroxychloroquine sulfate dosing, indications.. Regarding hydroxychloroquine levels and lupus activity, Costedoat- Chalumeau et al 24 measured whole blood levels in 143 individuals taking a standard dose of 400 mg per day and found a lower hydroxychloroquine level in those with active disease and that lower baseline levels were predictive of disease flare. The usual starting dose of Plaquenil is 200 mg twice a day or 400 mg once a day, administered orally, in people weighing 80 kg or more. The usual dosage works for most people who take Plaquenil, but it is possible to increase or decrease the dose based on individual needs. It's important to watch for possible side effects and toxicity. Plaquenil comes in 200 mg tablets, and many doctors just off-handedly put everyone on 200 mg twice a day.