Womenshealth.gov: Some basic information about PMS and PMDD from the US Federal Government's Source for Women's Health Information. This website also links to information about other women's health issues, including basic information about menstruation.

Massachusetts General Hospital Center for Women's Health Website contains up to date reviews of recent advances in causes and treatment of PMDD and other reproductive-related psychiatric conditions

Is PMDD Real? Researchers, physicians and psychologists fall on various sides of the debate: An article from the Monitor on Psychology looking at different points of view about PMDD - a good quick read to clarify what the controversy is.

A Guide for Patients and Families: Short and sweet, exactly what it sounds like

The Long Version: A more in depth article looking at many studies, treatments, and theories surrounding PMDD. It is easy to read, and helpful, if you have a few minutes to spare.

Women's Mental Health Library: An online library of articles on PMS and PMDD, collected by the Massachusetts General Hospital Center for Women's Health. Most of these link to the abstracts of articles, and you may have to pay to view the full article.

Society for Women's Health Research: The mission of this organization is to improve the health of all women through research, education and advocacy. The Society encourages the study of sex differences between women and men that affect the prevention, diagnosis and treatment of disease. The Society’s campaign, Some

Things Only a Woman Can Do provides women with accurate information about many aspects of volunteering for medical research.

Facts for Health: This website provides information about PMDD and referrals for treatment providers in your area.  A CME course for health providers is also available at this site.