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. Anti-malarial medicine for chloroquine resistant malaira Chloroquine mechanism autophagy Find information about common, infrequent and rare side effects of Plaquenil Oral. PLAQUENIL hydroxychloroquine sulfate tablets is indicated for the treatment of rheumatoid arthritis, and discoid and systemic lupus erythematosus, in patients who have not responded satisfactorily to drugs with less potential for serious side effects. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may 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. 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. Allergic reaction when changed from hydroxychloroquine to plaquenil Will you have Taste - impaired with Plaquenil - eHealthMe, Plaquenil Hydroxychloroquine Sulfate - Sanofi What happens when you take plaquenil with out having lupusPlaquenil moaChloroquine phosphate site drugs.com Increased cutaneous reactions to hydroxychloroquine Plaquenil possibly associated with formulation change Comment on the letter by Alarcón. M. Salido MD, PhD. Hospital Clinico San Carlos, Madrid, Spain. Rayne Institute, St. Thomas' Hospital, London, UK. Search for more papers by this author. Increased cutaneous reactions to hydroxychloroquine.. Hydroxychloroquine Plaquenil. Plaquenil Side Effects Common, Severe, Long Term -. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate. the patient should be closely observed given that retinal changes and visual disturbances may progress even after cessation of therapy. Cardiac Effects. Dermatologic reactions to PLAQUENIL may occur and, therefore, Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. I had been taking plaquenil since April for my lupus and sjogrens. It was working really well and just recently my rheumy told that I was in remission. I felt great. Then I had an allergic reaction to the plaquenil - a rash all over my body, neck, arms and legs. I stopped taking it 1 week ago.