It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Hydroxychloroquine vidal American academy of ophthalmology hydroxychloroquine screening 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. A rare complication of the commonly used rheumatoid arthritis drug hydroxychloroquine Plaquenil is injury to the retina the light-sensing portion of the back of the eye. The earliest sign of retinal changes from hydroxychloroquine is a decreased ability to distinguish between red and green colors. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. 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. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil and syncope Micturition Syncope Symptoms, Causes, and More, Rheumatoid Arthritis 17 Signs of Serious Complications Hydroxychloroquine diagnostic testsPlaquenil evaluation eyesPlaquenil for granuloma annulareCoding for plaquenil vision examWhat does aralen do 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 lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Uses, Dosage & Side Effects -. Plaquenil Oral Uses, Side Effects, Interactions.. A very bad and sometimes deadly reaction has happened with hydroxychloroquine. Most of the time, this reaction has signs like fever, rash, or swollen glands with problems in body organs like the liver, kidney, blood, heart, muscles and joints, or lungs. Talk with the doctor. Keep away from children. Laugh syncope was diagnosed in the patient based on his characteristic presentation. Situational syncopes such as laugh syncope are usually diagnosed using history from the patient. In the other known cases of laugh syncope reported in the literature, more thorough and extensive diagnostic evaluations were performed 3,5-8. However, all cases. 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.