Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Plaquenil pregnancy category c Plaquenil treatment chronic urticaria Is plaquenil with methocarbamol 500 mg The usual adult dose for treating malaria is 800 mg initially, followed by 400 mg 6-8 hours later and then 400 mg at 24 hours and 48 hours. The dose for malaria prevention is 400 mg every week starting 1 or 2 weeks before exposure and for 4 weeks after leaving the high risk area. New research underscores the protective benefits of the medication hydroxychloroquine Plaquenil. The study compared clinical and laboratory information of more than 500 people with lupus and found that people who discontinued the treatment after less than one year were more likely to experience flares compared to those who took the drug for more than a year. Plaquenil hydroxychloroquine is considered an older DMARD disease modifying anti-rheumatic drug. Plaquenil was actually first classified as an antimalarial drug, but it is also used to treat certain rheumatic and autoimmune conditions which are unrelated to malaria. Generally, Plaquenil is a treatment option as monotherapy used alone for mild rheumatoid arthritis or as combination. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Plaquenil-for-malaria-treatment-to-managing-lupus-ra Plaquenil and tinnitus DailyStrength, Longer-Term Use of Plaquenil Protects Against Lupus Flares. Plaquenil prevents lupus anticoagulangpt antibodiesPlaquenil effect on thyroid 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. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Taking Plaquenil for Rheumatoid Arthritis. Hydroxychloroquine Plaquenil Side Effects & Dosage for.. Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects. In 1984, I wrote my first prescription for the antimalarial drug, hydroxychloroquine Plaquenil, for a 28-year-old woman with SLE. She was considerably overweight, with inflammatory arthritis and a photosensitive rash, and I worried that oral corticosteroids would tip her over into diabetes. Hydroxychloroquine is a one of a number of drugs which have been used for many years in the treatment of malaria. Fortunately, it was discovered these drugs often are helpful in the treatment of various rheumatic diseases, particularly systemic lupus erythematosus SLE or "Lupus" and rheumatoid arthritis.