Although cases should be judged on an individual basis, the recommendations state that relationships are unprofessional if the patient is exploited, was vulnerable or the professional relationship was terminated to start a sexual relationship.
Separate documents have been produced by the CHRE for patients and employers.
The General Medical Council published a Code of Conduct for doctors last year and said they had been working with the CHRE to ensure all the guidance was consistent.
In 2005 the Kerr-Haslam inquiry found that allegations of indecent assault against two psychiatrists from North Yorkshire were often ignored by NHS consultants.
Clear boundaries The draft guidance states that health professionals must establish and maintain clear sexual boundaries.
The Department of Health commissioned the report on 'Clear Sexual Boundaries Between Health Professionals and Patients' from the CHRE after three national inquiries found serious failings in the handling of cases of sexual abuse of patients.Dr Clifford Ayling, a GP, was convicted of sexually assaulting women patients over a number of years and Dr Peter Green, also a GP, was found guilty of nine counts of indecent assault.