It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Plaquenil and muscle relaxers interactions Hydroxychloroquine 200 mg for rheumatoid arthritis dose Chloroquine fas associated In summary, hydroxychloroquine-induced retinal toxicity is likely more prevalent than previously believed. Once thought to be safe at a daily dose of 6.5mg/kg/day 16, newer studies show that many years of hydroxychloroquine treatment at a "safe dose" can still lead to toxicity 6. Newer guidelines state that daily dose 5mg/kg of real. Adults—200 to 400 milligrams mg taken as a single dose or in two divided doses once a day. However, dose is usually not more than 400 mg once a day. Children—Use and dose must be determined by your doctor. Typical starting dose is 800 mg. This is followed by 400 mg three times 6 hours after the first dose, 24 hours after the first dose, and 48 hours after the first dose. Today, it is used to treat rheumatoid arthritis, some symptoms of lupus, childhood arthritis (or juvenile idiopathic arthritis) and other autoimmune diseases. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine high dose Hydroxychloroquine Uses, Dosage & Side Effects -, Hydroxychloroquine Oral Route Proper Use - Mayo Clinic Plaquenil for ovarian cancerChloroquine tablet dosage for adultsPlaquenil for asthma 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. Plaquenil Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Recommendations on Screening for Chloroquine and.. 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. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. To treat lupus erythematosus, the average adult dose is 400 mg once or twice daily.