It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Chloroquine life cycle Ra med hydroxychloroquine The dose for malaria prevention is 400 mg every week starting 1 or 2 weeks before exposure and for 4 weeks after leaving the high risk area. The recommended adult dose for rheumatoid arthritis is 400-600 mg daily for 4-12 weeks followed by 200-400 mg daily. I am prescribed plaquenil I take the substitute hydroxychloroquine 200 mg twice a day; I accidentally took an extra dose - -about two hours after the first dose. So all total today - 1 200 mg in the morning; 1 in the evening and 1 about 25 minutes ago - should I be concerned? Thinking I should skip my morning dose. Jun 30, 2015 Plaquenil comes in tablet form. It is taken once or twice a day, unless it is used for the prevention of malaria, in which case it is taken once a week beginning 1 to 2 weeks prior to traveling to an area where malaria is common. Take this medication with a meal or a glass of milk to prevent stomach upset. 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. Plaquenil 200 mg twice a day Plaquenil Hydroxychloroquine - Side Effects, Dosage., I am prescribed plaquenil I take the substitute. Another medication that can be taken with plaquenilHydroxychloroquine treats what conditionsChloroquine diphosphate salt solubilityPlaquenil and foul smelling urineNormal dosage daily for plaquenil For prevention of malaria Adults— Standard dosing 400 mg once a week on the same day of each week starting 2 weeks before traveling to an area where malaria occurs, and continued for 4 weeks after leaving the area. Weight-based dosing Dose is based on body weight and must be determined by your doctor. Hydroxychloroquine Oral Route Proper Use - Mayo Clinic. Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy.. Hydroxychloroquine Plaquenil Success, Reviews and Side Effects. For treating lupus in adults, the recommended starting Plaquenil dosage is 400 mg once or twice a day. After a while, your healthcare provider may recommend a lower dosage such as 200 mg once daily. Hi im starting plaquenil 200mg twice a day was wondering how far apart should the dose, be and best times to take it,what are some of the side effects anyone has had and how long did it take to start working thank u - thank u i wasnt sure she wanted me to have one before i started medicine but i had had one before she Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.