It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Is mefloquine hydroxychloroquine Chloroquine phosphate structure I was prescribed plaquenil for Sjogrens about 5 years ago by my rheumatogist. I too was afraid of the side effects and didn't realize that the disease would worsen, so I just didn't take the plaquenil. Two years later I began having pericarditis attacks and wound up in the hospital. Hydroxychloroquine Plaquenil, chloroquine Aralen, and quinacrine Atabrine are medications that were originally used to prevent or treat malaria. However, during World War II it was also found that these medications were effective in treating the symptoms of lupus. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Quit plaquenil Stopping Plaquenil - General Discussion - Life With Lupus, Treating Lupus with Anti-Malarial Drugs Johns Hopkins. Hydroxychloroquine sulfate and hydroxychloroquine sulfate plaqueni Stop taking the medicine and call your doctor if your symptoms worsen or don't improve. Plaquenil and Children. Plaquenil can be dangerous to children, who are particularly sensitive to the drug. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Oral Uses, Side Effects, Interactions.. Protecting your eyesight when taking Plaquenil Lupus.. Plaquenil, widely used to treat lupus, rheumatoid arthritis and other inflammatory and dermatologic conditions, is very effective, and “the risk of toxicity in the first five years for someone without special risk factors is very low,” Dr. Marmor said. However, risk increases with duration of use. Plaquenil stays in your body for about 3 months. If you must stop it, it will take a while for the side effects to go away. You should have an eye examination every year to prevent a very rare but serious eye problem. Less than one person in 5,000 develops the problem. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Do not start, stop, or change the.