It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Chloroquine mechanism of action slideshare Chloroquine phosphate ip 250 mg Plaquenil hydroxychloroquine retinopathy Is long term use of plaquenil safe Adult dosing ranges from 200 mg or 400 mg per day 6.5mg/kg. In some cases, higher doses can be used. It is recommended one tablet twice daily if taking more than one tablet. However, dose is usually not more than 800 mg for the first dose and not more than 400 mg for the next doses. For treatment of arthritis Adults—At first, 400 to 600 milligrams mg taken as a single dose or in two divided doses once a day. Then, 200 to 400 mg taken as a single dose or in two divided doses once a day. You take plaquenil twice a day, approximately 12 hours apart. The most common side effect is mild nausea and occasional stomach cramps. You can take it with food if it upsets your stomach. You should also have a complete eye exam before starting this medication and then every 6 months. In very rare cases, plaquenil can affect the eyes. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Taking plaquenil twice a day Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Hydroxychloroquine Oral Route Proper Use - Mayo Clinic Withdrawal symptoms of hydroxychloroquineSide effects of long term use of hydroxychloroquineHydroxychloroquine how it worksSide effect plaquenil nauseaPlaquenil costo Adults. 200 mg 155 mg base to 400 mg 310 mg base PO per day, administered as a single dose or in 2 divided doses. Antimalarials and/or glucocorticoids are of benefit and may be used for the treatment of SLE without major organ manifestations; however, judicious use of hydroxychloroquine is recommended. Plaquenil hydroxychloroquine sulfate dose, indications.. Best time to take plaquenil - HealthBoards. Hydroxychloroquine Reviews Everyday Health. Mar 17, 2019 Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking this medicine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. 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. Here are 10 things to keep in mind when using Plaquenil Take it on a regular schedule, meaning at the same time each day. Take Plaquenil EXACTLY as prescribed by your physician. Do not stop taking the medication without first speaking to your doctor. Taking Hydroxychloroquine with food and/or.