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. When was chloroquin discovered Can taking plaquenil cause weight loss Malaria resources pdf fsp drugs chloroquine 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. Plaquenil is generally well-tolerated, but side effects are possible. Common side effects linked to Plaquenil include nausea and diarrhea. Taking the medication with food eases nausea for most people taking the drug. Less common side effects include skin rashes, hair thinning, and weakness. I recently decided to stop taking Plaquenil because I was having constant chest pains even more so than I usually have due to Lupus. Since I have not taken it my chest feels so much better which is odd because chest pain is not listed as a side effect. Also I noticed that the Plaquenil I think was making me feel different but not in a good way. 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. What happens if i stop taking plaquenil Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Taking Plaquenil for Rheumatoid Arthritis Chloroquine resistant plasmodium falciparumChloroquine phosphate usp I was put on Plaquenil for RA as I was being dx for lupus. I am very mild. My rhuemy wants me to stop every time I have an infection. When it is gone she said I can resume at my own pace. Take into consideration I only take Plaquenil and ibuprofen 800mg. My symptoms came back after two weeks of being off it. Stopping Plaquenil - General Discussion - Life With Lupus. Had to stop taking Plaquenil -. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. I had no problems taking Hydroxychloriquine for RA as it stopped the flare up in a short time. Stupidly I thought I didn't need it so asked my doc if I could stop. That's when I became inflamed but not the joints until another flare up 11 months later. I think it keep my acute pancreatitis at bay as well as RA. Plaquenil can damage the retina of the eye. This can lead to blindness. This problem is most common when high doses are taken for a long time. If you will be taking Plaquenil for a while, it is recommended to have a thorough eye exam before starting it and every three months while taking it.