The present invention relates to the use of arsenic compounds such as sodium meta arsenite (NaAsO2), arsenic trioxide (As2O3), and arsenic hexoxide (As4O6) or combinations thereof, for the treatment of painful, hyperalgesic and/or inflammatory conditions. the present invention also relates to compositions containing the above arsenic compounds for use in the treatment of pain, inflammation and immunological and autoimmune diseases and disorders.本發明係關於諸如偏亞砷酸鈉(NaAsO2)、三氧化二砷(As2O3)、及六氧化四砷(As4O6)或其組合等砷化合物用於治療疼痛、痛覺過敏及/或炎症病狀之用途。本發明亦係關於包含以上砷化合物之組合物，其用於治療疼痛、發炎及免疫和自體免疫疾病及病症。
