In Japan, kitsunetsuki was noted as a disease as early as the Heian period and remained a common diagnosis for mental illness until the early 20th century.
Di Jepang, kerasukan kitsune (kitsunetsuki) sudah dianggap sebagai penyakit sejak zaman Heian dan merupakan diagnosis umum untuk gejala penyakit mental hingga di awal abad ke-20.