It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine sulphate mechanism of action Plaquenil pregnancy category arthritis How long does Plaquenil take to work? Plaquenil works very slowly. In 1 to 3 months you should start to feel better. You may continue to get better for up to 1 year. Most people who take Plaquenil also take other medicines for pain and stiffness. How does Plaquenil work? Plaquenil changes the way your immune system works. I'm back on it and waiting the 3-4 months it takes to work at least that's how long it took the first time. I have a great opthamologist who has assured me he will catch retinal damage before I will ever notice a change in my vision, so as far as I'm concerned, I want to stay on Plaquenil until I'm forced off it. To treat malaria Plaquenil is usually given for 3 days, starting with one high dose followed by a smaller dose during the next 2 days in a row. Take Plaquenil for the full prescribed length of time for malaria. Your symptoms may improve before the infection is completely cleared. 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. How long does it take plaquenil to start working How long does it take for plaquenil to get rid of the lupus., Plaquenil Drug and Medication User Reviews on RxList Plaquenil used for hair lossChloroquine overdose dosageNaprosen and plaquenilPlaquenil visual field lossPlaquenil medication guide With Plaquenil, however, the most commonly prescribed anti-malarial, this sort of damage occurs only in 1 out of 5,000 people who take the drug for five years or more. For this reason though, it is important that you see an ophthalmologist for an exam before starting to take an anti-malarial medication for your lupus. Treating Lupus with Anti-Malarial Drugs Johns Hopkins Lupus.. Plaquenil Uses, Dosage & Side Effects -. Stopping plaquenil. DailyStrength. Indicates that you can expect to see some results after a month or two of taking hydroxychloroquine, but in order to get the full benefits you will need to take the medication for at least six months. That can help you realize how much benefit you’re going to actually get from the drug. Symptoms can start to improve in one to two months, but it may take up to six months before the full benefits of this medication are experienced. Mark a calendar to help you remember. This drug is usually started 2 weeks before entering the area with malaria. Take it once weekly while in the area, and continue taking it for 4 to 8 weeks after leaving the area or as directed by your doctor. To treat malaria, follow your doctor's instructions.