What differentiates Premenstrual Dysphoric Disorder from other mood disorders?

The characteristic that sets Premenstrual Dysphoric Disorder (PMDD) apart from other mood disorders is that its symptoms are specifically tied to the menstrual cycle. In PMDD, individuals experience severe emotional and physical symptoms that occur in the luteal phase of the menstrual cycle, typically starting a week before menstruation and resolving shortly after the onset of menstruation. This cyclical pattern is a defining feature, as it indicates a direct relationship between the symptoms and hormonal fluctuations associated with the menstrual cycle.

In contrast, other mood disorders, such as Major Depressive Disorder or Generalized Anxiety Disorder, do not have a clear temporal connection to the menstrual cycle. They can occur at any time and persist irrespective of hormonal changes. This clarity in symptom timing is crucial for diagnosis and treatment of PMDD, distinguishing it from more chronic mood disorders.