Sorry, there has been an issue processing your request. Alternatively, head back to the home page and see how we're leading the fight against the pain of Arthritis. At Healthfully, we strive to deliver objective content that is accurate and up-to-date. Lupus therapy allergy to plaquenil Plaquenil for inflammatory arthritis Methylene blue falciparum chloroquine reversal Tinnitus ringing in the ears visual problems. There is a small risk that hydroxychloroquine can damage your retina part of the eye, and this increases with long-term use and higher dosage. PLAQUENIL prolongs the QT interval. Ventricular arrhythmias and torsade de pointes have been reported in patients taking PLAQUENIL see OVERDOSAGE and DRUG INTERACTIONS. Ear and labyrinth disorders Vertigo, tinnitus, nystagmus, nerve deafness, deafness. In 2005, Lareb, the Netherlands Pharmacovigilance Centre, reported that it received three reports of permanent hearing loss and tinnitus after long-term Plaquenil use. The article mentioned that hydroxychloroquine is chemically related to other drugs that have known toxic effects on hearing 2. Other Side Effects The sources cited below consist of evidence from peer-reviewed journals, prominent medical organizations, academic associations, and government data. Our team periodically reviews articles in order to ensure content quality. Hydroxychloroquine and tinnitus Hydroxychloroquine Side Effects Common, Severe, Long Term., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Chloroquine mice scratching10-2 plaquenilPlaquenil reactive arthritisKeyhole chloroquine Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Hydroxychloroquine MedlinePlus Drug Information. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Refuse to Take Medication Plaquenil. - Tinnitus Talk. Hydroxychloroquine sulfate prolongs the QT interval. Ventricular arrhythmias and torsade de pointes have been reported in patients taking hydroxychloroquine sulfate see OVERDOSAGE and DRUG INTERACTIONS. Ear and labyrinth disorders. Vertigo, tinnitus, nystagmus, nerve deafness, deafness. Eye disorders Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth. Plaquenil tablets contain the active ingredient hydroxychloroquine, which is a type of medicine called a disease-modifying anti-rheumatic drug DMARD. It is used to treat rheumatoid arthritis.