Premenstrual Dysphoric Disorder

What is premenstrual dysphoric disorder (PMDD)?

Premenstrual dysphoric disorder (PMDD) is a much more severe form of premenstrual syndrome (PMS). It may affect people of childbearing age. It’s a severe and chronic health condition that needs attention and treatment. Lifestyle changes and sometimes medicines can help manage symptoms.

What causes PMDD?

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The exact cause of PMDD is not known. It may be an abnormal reaction to normal hormone changes that happen with each menstrual cycle. The hormone changes can cause a serotonin deficiency. Serotonin is a substance found naturally in the brain and intestines that narrows blood vessels and can affect mood and cause physical symptoms.

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