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Premenstrual Dysphoric Disorder Directory

Premenstrual dysphoric disorder (PMDD) is severe PMS -- severe enough to interfere with work, relationships, and more. PMDD is likely caused, at least in part, by hormonal changes during the menstrual cycle. Follow the links below to find WebMD's comprehensive coverage about how PMDD is caused, how to treat it, and much more.

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Thumbnail: Seasonal Mood and Hormonal Changes

How are monthly mood changes affected by the seasons? When should you talk to a doctor and seek treatment for depression? Find out in this article.

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