You probably know that mood disorders such as major depression, bipolar disorder, and seasonal affective disorder (also called SAD) are generally very common. But it may surprise you to learn that they’re much more common in certain groups of people–including those with posttraumatic stress disorder (PTSD) and Complex PTSD.This is called comorbidity. When two disorders or illnesses occur in the same person, simultaneously or sequentially, they are described as comorbid. Comorbidity also implies interactions between the illnesses that affect the course and prognosis of both.
In fact, Complex PTSD and mood disorders often occur together. When this happens, the mood disorder may be more severe in the person with PTSD and lead to unhealthy behaviours such as substance abuse.
It’s important for to understand 1) the connection between PTSD and mood disorders and 2) the relationship between PTSD and the problems that mood disorders can cause, such as sleep…
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