"Doctor's Orders" is a song written by Roger Cook, Roger Greenaway and Geoff Stephens which in 1974 was a hit in the UK for Sunny of Sue and Sunny; in the US the song was a hit for Carol Douglas.

In 1969, Roger Greenaway along with Sue and Sunny were recruited by Tony Hiller for the group Brotherhood of Man; Greenaway and Roger Cook—who had been writing songs together since 1965 as well as recording as David and Jonathan—were both house writers for Hiller's production company.

By 1973, the Brotherhood of Man's original members had opted out of the group and although Sue and Sunny had generally recorded as a team Sunny recalls that at this time "Sue decided she wanted to spend some time having babies, so I was just left to get on with things by myself. Roger Cook knew that I was going solo and rang me up to say that he had a song for me. Anyway, I went round to see him, heard the song and thought it might do something."

Sunny cut the track in November 1973 with Roger Greenaway producing while Chris Gunning provided the arrangement and conducted.

Shopped to CBS for a January 1974 release, "Doctor's Orders" gained momentum through club play but met resistance from BBC Radio, unsavoury undertones being read into the storyline of a woman consulting a doctor over intimate concerns. "Doctor's Orders" finally broke into the UK Singles Chart dated March 30, 1974 at number 42 to rise to a peak of 7 on 4 May.

The single was also a hit in Ireland (4) and—in the summer of 1974—in South Africa (16).

Doctor's Orders was also the title of Sunny's album released in January 1974 which, besides "Doctor's Orders", featured the Cook/Greenaway/Stephens compositions "Couldn't I Change Your Mind" and "Never Say Never" plus "Oh My Joe" (Cook/Greenaway/Tony Macaulay), "A Warm and Tender Romance" (Greenaway/Macaulay) and "Somebody Warm Like Me" (Macaulay). The album also featured the Brotherhood of Man track "Maybe the Morning" plus Sunny's renditions of the Drifters' hit "Like Sister and Brother" (Cook/Stephens) and White Plains' hit "My Baby Loves Lovin'" (Cook/Greenaway). The other tracks were "It's Only When You're Feeling Lonely" (the B-side of "Doctor's Orders"), "Don't Come Back" and "Lean on Me".

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