It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Plaquenil buy uk Hydroxychloroquine class Quinine sulfate allergy is it okay to take plaquenil What will happen if you stop taking plaquenil? Wiki User November 17, 2011 PM. I was wondering what would happen when you stop taking plaquenil after trying it out for 3- 6 months. May 07, 2012 After two months on half the dosage, I just completely stopped taking plaquenil, and by the third day I started to feel the aches again. This time the nausea is a bit more aggressive. I’ll suck it up for a couple of weeks. 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. According to the Mayo Clinic, it can take up to six months' constant use before an effect is seen in RA 1. Hydroxychloroquine comes as a tablet to take by mouth. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Stopped taking plaquenil Can you just stop taking plaquenil or do you have to wean., Plaquenil Withdrawal – Life As An Anomaly Malaria in mexico chloroquine Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine 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. Call your doctor at once if you have Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Lupus Medicines Hydroxychloroquine - Brigham and Women's Hospital. One of the problems with Plaquenil is that because it's so slow to act, the improvements are also slow and subtle. So most people don't realize that they've improved until they STOP taking it. I've been on it twice, along with Atabrine another antimalarial. In my case, it never worked so I didn't notice a change. Had headaches with the plaquenil so went to the sulfar and predisone. Sulfar was a waste of time and since I had a little help from the plaquenil he switched me back to that with pain meds for the headaches and body. Recently i went back for app. and plaquenil had stopped doing anything so he added the methotrexate to it. I did not want to take it. 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. It's important to watch for possible side effects and toxicity.