"I Feel So Bad" is a blues song written and originally recorded by Chuck Willis, and released in 1954 (OKeh 7029).

Elvis Presley recorded the song on March 12, 1961, in RCA Studio B, in Nashville, Tennessee, and released it as a single on RCA Victor that year.

[3] The song, which was released on a double A-side single in the UK (c/w "Wild in the Country"), reached No.4 on the UK singles chart, also in 1961.

The band Cactus recorded it on their 1971 Atco release, One Way... or Another.

This song has since been covered by Foghat on their second album titled Foghat (Rock and Roll), Delbert McClinton (Plain from the Heart, 1981), Rory Gallagher (BBC Sessions 1972), and Big Dave & The Ultrasonics (Love & Money, 1993).