"I Feel So Bad" is a song written and originally recorded by Chuck Willis in 1953.
A cover of the song was recorded by Elvis Presley on March 12, 1961 in RCA Studio B, in Nashville, TN. Presley covered the song following the arrangements by Willis and his singing style. Presley's version reached No.5 on the US Billboard Hot 100 in 1961 and No.15 on Billboard's Top 20 R&B Singles chart the same year. The song, which was released on a AA-sided single in the UK (c/w "Wild in the Country"), reached No.4 on the UK singles chart, also in 1961.