Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. What to do if taking plaquenil makes you nauseous Hydroxychloroquine 200mg twice a day Plaquenil hydroxychloroquine "Hi, I was taking the generic form of plaquenil for over 10 years for rheumatoid arthritis. It took a few weeks to see it work but what a change for the better. It took a few weeks to see it work but what a change for the better. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. For malaria prevention, take this medication by mouth once a week on the same day of the week, or as directed by your doctor. Mark a calendar to help you remember. Hi I have SCLE and sjorgrens and have been on hydroxy or plaquenil for almost three years, it takes a few months to make a difference, I had an extensive rash, achy, flu like symptoms. It takes longer to really help you. I take with food or at least a glass of milk as it hard on an empty stomach. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil saved my life Need Support - About to Start Plaquenil - Lupus - Inspire, Plaquenil Oral Uses, Side Effects, Interactions. Is plaquenil bad for you Plaquenil’s long half-life in the body can cause irreversible and progressive damage, Dr. Fung said. Similarly, one study reported that 16 women who’d taken hydroxychloroquine or chloroquine, or a combination of the agents, showed no improvement seven years after stopping drug therapy, and progression occurred in six of the cases. 2 Rx Side Effects New Plaquenil Guidelines and More.. Plaquenil Hi I have a trifecta of. - The Australian Sj.. Minocycline and Plaquenil - Scleroderma - Inspire. This drug saved my life! Yes, there are some GI issues in the first few weeks and you need to be patient. I had life threatening issues that sent me to the ER - twice - and each time, Plaquenil brought me back from the brink and set me on an even keel. Please be patient and try to tough out the GI issues and give it 2-3 months. I say this because Plaquenil has a chemical half-life of 30-60 days you can confirm this on wiki or RX info on the drug--so it takes a LONG time to get out of your system.long for you to notice changes in days. If you remember, most wait at least 3 months before they even see any improvement. Plaquenil has been a life-saving drug for me, quite literally. I was a mess in 2004-2005 and then a dr put me on Plaquenil, and in 3 weeks most of my symptoms had disappeared. Within 2 months they were all completely gone, though my bloodwork continued to show very high levels of autoimmune stuff.