Malaria is common in areas such as Africa, South America, and Southern Asia. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Chloroquine preparation Are you more likely to get sick while taking plaquenil Hydroxychloroquine 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. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. The Sanofi Patient Connection™ program helps connect patients to medication and resources at no cost. Learn more today. Hydroxychloroquine (Plaquenil) is considered a disease-modifying anti-rheumatic drug (DMARD). Hydroxychloroquine may also be used for purposes not listed in this medication guide. Plaquenil rebate Plaquenil Hydroxychloroquine Sulfate, Plaquenil Oral Uses, Side Effects, Interactions. What is another name for plaquenil COMMON BRAND NAMES Plaquenil. Uses. This medication is used to treat rheumatoid arthritis and lupus; and to treat or prevent malaria. How To Use. Take this medication with food to prevent stomach upset. Take this medication exactly as prescribed. Do not stop taking it without consulting your doctor. PLAQUENIL Patient Assistance Program. Sanofi Patient Connection™ Financial Support & Resources. Plaquenil Oral Tablet Drug Information, Side Effects, Faqs. NeedyMeds has free information on medication and healthcare costs savings programs including prescription assistance programs and medical and dental clinics. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Hydroxychloroquine Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Visit for more details.