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. Desethyl chloroquine Hydroxychloroquine side effects eye Antiinflammatory plaquenil Hydroxychloroquine Plaquenil, chloroquine Aralen, and quinacrine Atabrine are medications that were originally used to prevent or treat malaria. However, during World War II it was also found that these medications were effective in treating the symptoms of lupus. Discoid lupus erythematosus is known to negatively impact patient quality of life. In fact, a 2016 study demonstrated that over one third of patients with cutaneous lupus met criteria for depression or anxiety with need for psychiatric intervention. 11 Hydroxychloroquine was approved for use in the United States in 1994, and indications were later broadened and now include rheumatoid and psoriatic arthritis, discoid and systemic lupus erythematosus and prevention and treatment of 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. Hydroxychloroquine discoid lupus Discoid Lupus Rash Symptoms, Treatment, and Causes, Discoid Lupus Erythematosus Background, Etiology. Plaquenil for arthritisCan plaquenil and elavil be taken together Discoid lupus erythematosus DLE is a common canine autoimmune disease that usually manifests as a localized ulcerative and scarring nasal dermatitis. We report herein a generalized variant of canine DLE successfully treated with the antimalarial immunomodulator hydroxychloroquine HCQ. Successful treatment of a novel generalized variant of.. Hydroxychloroquine - LiverTox - NCBI Bookshelf. Hydroxychloroquine ~ sun sensitivity? Hi everyone.. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine may also be used for purposes not listed in this medication. Plaquenil is most known for its original purpose treating and preventing malaria. Malaria is a disease caused by parasites that can enter the body through a mosquito bite. The essential ingredient, known as quinine, is derived from the bark of the cinchona plant.