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. Lupus medications chloroquine Side effects of plaquenil for lupus Hydroxychloroquine sulfate 1g Plaquenil kidney transplant You should follow the instructions on your prescription label carefully when taking Plaquenil. Don't take more or less of the medicine that your doctor prescribes. Plaquenil Overdose. So I ran out of my plaquenil and the Rheum. that prescribed it I am no longer seeing and wont re-fill it and I dont see my new Rheum. until Decemeber 23rd. I am nervous to see what will happen. The pharmacist said there wont be any danger just stopping it. Im just nervous to see what my body will do. Has anyone gone off the plaquenil and what happened? I hear my new Rheum. is all for it so I. 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 will happen if i don't take plaquenil Protecting your eyesight when taking Plaquenil Lupus Foundation of., Stopping Plaquenil - General Discussion - Life With Lupus Can plaquenil cause headaches Plaquenil can be dangerous to children, who are particularly sensitive to the drug. Kids shouldn't take Plaquenil as a long-term treatment. Overdose can be fatal in children. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Had to stop taking Plaquenil -. Stopping plaquenil. DailyStrength. Plaquenil can damage the retina of the eye, which can lead to blindness. This eMedTV page lists other side effects or complications that may occur with Plaquenil. Warnings and precautions on who should not use this drug are also listed on this page. 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. Plaquenil is a slow-acting drug, meaning that it can take up to 6 months to experience the full benefits of this medication, but it is possible for symptoms to improve in as few as 1 or 2 months. Plaquenil and other antimalarials are the key to controlling lupus long-term, and some lupus patients may be on Plaquenil for the rest of their lives.