The medical name of the illness that Heather Evans (Kim Basinger) was said to have in the film was "pathological intoxication" which is a true real-life medical disorder that can exist. Also known as "pathological alcohol intoxication", according to M.H. Hollender in the Journal of Clinical Psychiatry, the condition "appears as a diagnostic term in DSM-II and DSM-III, is defined in a psychiatric dictionary and is described in several textbooks".
This was the second movie in about five years where actress Kim Basinger portrayed a character who underwent a dramatic personality change after drinking alcohol. The first film had been Blake Edwards' comedy Blind Date (1987).
Second and final [to date, December 2015] of two cinema movie collaborations of actor Richard Gere and actress Kim Basinger. The films are No Mercy (1986) and Final Analysis (1992) which were both made and released around six years apart.