On the page we will include resources relating to BPD and coexisting conditions.
The term 'coexisting disorders' (sometimes referred to as comorbidity) describes the presence of two or more conditions occurring in the same person. These may be other mental health issues or physical illnesses.
The evidence base around this is fortunately increasing.
Coexisting mental health conditions are extremely common in people with BPD, with the symptoms of other diagnoses often overlapping. So it is important that they are diagnosed correctly and managed actively keeping in mind that the existence of another condition does not necessarily mean that they should be treated separately.
The most common coexisting mental health conditions associated with BPD include the following:
People with BPD can often meet the criteria for another personality disorder with the most common being:
It is common for people with BPD to meet the criteria for one or more mental health disorders over the course of their life.
What is the Difference Between Borderline Personality Disorder and Complex PTSD (C-PTSD)?: Todd Grande
Borderline Personality Disorder and Complex PTSD: Differentiation and Treatment: Lois W. Choi-Kain,
Borderline Personality Disorder - Lady Diana, Marilyn Monroe and possibly a patient seeing you (podcast)
Project Air Strategy Webinar/MHPN: Personality Disorders and Substance Use: Tips on effective treatment approaches