​Premenstrual Dysphoric Disorder (PMDD):

At least five of the following symptoms must be present during the week preceding the onset of menses:

• depressed mood,
• anxiety,
• affective lability,
• irritability,
• decreased interest,
• difficulty concentrating,
• lethargy,
• change in appetite,
• hypersomnia or insomnia,
• sense of being overwhelmed, or
• physical symptoms.

At least one of the symptoms must be depressed mood, anxiety, affective lability, or irritability. The symptoms must cause distress or impairment.

1. American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), American Psychiatric Association, Arlington, VA 2013.