Is it PMS or Premenstrual Dysphoria Disorder? 
Description that outlines diagnostic criteria used for premenstrual syndrome (a gynecologic diagnosis) and premenstrual dysphoric disorder (a psychiatric diagnosis).
http://www.wdxcyber.com/nmood.htm#pmsGo Ask Alice! 
PMS questions and answers.
http://www.goaskalice.columbia.edu/0501.html
BUPA Health Factsheet 
Describes causes, symptoms, complications and treatment options.
http://hcd2.bupa.co.uk/fact_sheets/Mosby_factsheets/Premenstrual_tension.html
Natural Woman Institute 
Dedicated to natural hormonal and nutritional therapy for women of all ages.
http://naturalwoman.org
Dealing with Your PMS 
Physical and emotional aspects of Premenstrual Syndrome how to identify and deal with them. By Carol Watkins, M.D.
http://www.ncpamd.com/PMS.htm
Premenstrual Syndrome Forum 
Join a supportive forum where women share symptoms, experiences, treatments, and living with PMS.
http://forums.about.com/ab-wmshealth2
DrDonnica.com 
A lengthy article on what premenstrual syndrome is, with a look at the symptoms, diagnosis, treatments and the doctors top ten tips for management.
http://www.drdonnica.com/display.asp?article=189
PMDD - DrDonnica.com 
An article about premenstrual dysphoric disorder with explanation as to what it is, how it compares to PMS, diagnosing, treatment and some tips on management.
http://www.drdonnica.com/display.asp?article=1086
InteliHealth - Premenstrual Syndrome 
What PMS is, its symptoms, what your doctor looks for, diagnosis, expected duration, prevention, treatment, when to call a professional, prognosis, and additional resources.
http://www.intelihealth.com/IH/ihtIH/EMIHC000/9339/23664.html
Premenstrual Syndrome and Neurofeedback 
Information, articles, and case histories on the use of neurofeedback to treat premenstrual syndrome.
http://www.eegspectrum.com/disorder/PMS/
Facts For Health: Premenstrual Dysphoric Disorder 
A resource to help identify, understand and treat PMDD. A CME course is also available.
http://pmdd.factsforhealth.org
Understanding PMS 
A site for women with PMS based on four years of research. Includes the on-line PMS Diagnostic Test, questionnaires, resources, and information on receiving the monthly publication, Transition.
http://members.allstream.net/~vizprint/small.html
Treatment Approaches To Premenstrual Syndrome 
An article on Positive Health describing PMS symptoms and treatments.
http://www.positivehealth.com/permit/Articles/Womens%20Health/georg58.htm
PMS and PMDD Message Board 
Forum for sharing experiences and advice. Includes FAQ and true recovery stories.
http://www.network54.com/Hide/Forum/241962
Taking Back the Month 
Dr. Diana Taylor provides facts, resourceful websites, and additional content based on research for her book, Taking Back the Month: a personalized solution for managing PMS and enhancing your health.
http://www.takingbackthemonth.com/
eMedicine Health - Premenstrual Syndrome (PMS) 
Consumer health resource center providing information on the causes, symptoms, and treatment of PMS.
http://www.emedicinehealth.com/articles/6850-1.asp
Help And Advice On Premenstrual Syndrome 
Describes alternative treatments for premenstrual syndrome and information on medical research on PMS and PMDD.
http://www.pmsandpmdd.eclipse.co.uk
National Association for Premenstrual Syndrome 
Offering information about the condition, details on conferences, and dietary information. Based in the UK.
http://www.pms.org.uk/