Please review the following URL and make sure that it is spelled correctly. Sorry, there has been an issue processing your request. Alternatively, head back to the home page and see how we're leading the fight against the pain of Arthritis. Can plaquenil cause macular degeneration Hydroxychloroquine mechanism of action for lupus Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. Hi everyone, I was just wondering how long it took for Plaquenil to start working for you? I've been on it for about a month now, and it hasn't worked for me yet, but I know that it can take up to 4 months to kick in. Hi. I have been taking Plaquenil since July 9, 2006 6 weeks and I do not notice results so far. For those of you who have taken it, how long does it take to work and how will I know it's starting to work? I really appreciate your response. I have arthritis in my feet and ankles. I still take Tylenol but my Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Plaquenil (hydroxychloroquine) belongs to a group of medicines called quinolines. Plaquenil lupus how long to work RA and Hydroxychloroquine How Effective is it for Rheumatoid Arthritis., How long until Plaquenil started working? Is plaquenil safer than methotrexateChloroquine eye exam for macular lesions How long does it take for plaquenil to work? I just started about 6 weeks ago, the rheum said it can take up to a year. Let me know how you are doing on it. Plaquenil - does it take long time to work? - Lupus - Inspire. Bone Joint Muscle - Arthritis Plaquenil - How long till it works.. Lupus Medicines Hydroxychloroquine - Brigham and Women's Hospital. Lupus The usual starting dose for adults is 400 mg once or twice daily. This dose may be continued for several weeks or months depending on the benefits that occur. For long-term use, the dose of hydroxychloroquine is usually reduced to 200 mg to 400 mg daily. Plaquenil hydroxychloroquine is commonly used to help keep mild lupus-related problems, such as skin and joint disease, under control. This drug is also effective at preventing lupus flares. Hi Guys, I haven't been here for a while - just checked in and found this question on Plaquenil - for me it took approx nine weeks to begin to work - I'm only taking 200mg per day so far - it seemed to stop working a few weeks later - most days are pretty good I s'pose but I drop nearly every afternoon.