"Pain Killer" is a song recorded by American country music group Little Big Town for their sixth studio album of the same name (2014).

The song was serviced to American country radio on August 24, 2015 as the album's third official single.

[1] "Pain Killer" is a mid-tempo reggae-influenced[2][3] country song about using loved ones, rather than drugs or alcohol, to get through difficult times.

Group member Karen Fairchild performs lead vocals on the song, as on previous Pain Killer singles "Day Drinking" and "Girl Crush".

"[4] The official music video for "Pain Killer" was filmed on location Jost Van Dyke in the British Virgin Islands, including the Soggy Dollar Bar, which is the birthplace of the Painkiller drink that shares its name with the song and its parent album.