"Emotion Sickness" is a song by the Australian alternative rock band Silverchair. It was released as the first song on their 1999 album Neon Ballroom. At 6 minutes long, it is the band's third longest song. Australian pianist David Helfgott makes a guest appearance on the song, along with the Sydney Symphony Orchestra. In a 1999 interview with Metal Hammer, Daniel Johns said that "Emotion Sickness" is his favorite Silverchair song. Although the song is not typical of Silverchair's work, "Emotion Sickness" is a fan favorite.