When Diagnoses Overlap: PTSD, Bipolar Disorder, and Borderline Personality Disorder
If you’ve ever read about mental health diagnoses and thought, “Wait… this sounds like me, but so does that one?” You’re not alone. And honestly, you’re not wrong for being confused. Today we’re talking about PTSD, Bipolar Disorder, and Borderline Personality Disorder (BPD). These diagnoses live in different sections of the DSM-5, yet often get tangled together in real life. Many symptoms overlap, including: Mood instability Impulsivity Difficulty maintaining relationships Identity disturbance So let’s slow this down and talk about why this overlap happens and how clinicians try, imperfectly, to tell them apart. @the.holistic.psychologist A Quick Reality Check About the DSM-5 The DSM-5 is phenomenological, meaning it describes what symptoms look like, not why they exist. It organizes: Behaviors Feelings Thoughts And it focuses heavily on functioning, asking how much these symptoms impair daily life. What it does not do particularly well: Account for context Explain cause Fully integrat...
