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. What is the difference between plaquenil and hydroxychloroquine Who owns plaquenil Hydroxychloroquine what herbs to take What is hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. The maximum dose of Plaquenil is 6.5 mg/kg of ideal body weight per day, regardless of whether a person is overweight, underweight, or normal weight. One kilogram kg equals 2.2 pounds. Women with lupus who are OVER their ideal body weight should go by these dosing rules People who take an overdose of Plaquenil may experience effects such as, but not limited to Headaches. Drowsiness. Vision changes. Seizures. Cardiac arrest. An irregular heart rhythm arrhythmia. Loss of life. 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. Information on plaquenil Plaquenil - FDA prescribing information, side effects and uses, Protecting your eyesight when taking Plaquenil Lupus. Hydroxychloroquine withdrawal symptoms Additional Information. Our Plaquenil hydroxychloroquine Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. More Information on Plaquenil - eMedTV Health Information.. PLAQUENIL HYDROXYCHLOROQUINE SULFATE TABLETS, USP DESCRIPTION. Before taking Plaquenil, tell your doctor if you have or have ever had Liver disease. Psoriasis. Any blood disorders, such as porphyria, glucose-6-phosphate dehydrogenase deficiency G6PD, or others. Dermatitis. A vision disorder. Effects on your hearing caused by drugs. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis, prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Today, it is used to treat rheumatoid Plaquenil hydroxychloroquine is a medication most known for its original purpose of treating or preventing malaria, a disease caused by parasites that enter the body through the bite of a mosquito.