what does plaquenil treat
Hydroxychloroquine (Plaquenil) is considered a disease-modifying anti-rheumatic drug (DMARD), because it can decrease the pain and swelling of arthritis, and it may prevent joint damage and reduce the risk of long-term disability.
1 Although vision problems and loss of sight while taking hydroxychloroquine (Plaquenil) for the treatment of lupus or arthritis are very rare, notify your doctor if you notice any changes in your vision. 2  Your doctor also may suggest regular eye exams while taking this medication.