MedlinePlus: Painful Menstrual Periods
Information about painful menstrual periods from Medline Plus. Includes symptoms, treatment, prevention, clinical trials, and common causes.
www.nlm.nih.gov/medlineplus/ency/article/003150.htm
Dysmenorrhoea (Period Pains)
Covers causes, symptoms, and treatments.
hcd2.bupa.co.uk/fact_sheets/Mosby_factsheets/Dysmenorrhoea.html
Wikipedia: Dysmenorrhea
Article on dysmenorrhea. Also discusses treatments and causes.
en.wikipedia.org/wiki/Dysmenorrhoea
eMedicine.com: Dysmenorrhea
Includes clinical and medication information.
www.emedicine.com/emerg/topic156.htm
Menstrual Cramps (Dysmenorrhea)
Describes the primary and secondary forms.
www.mckinley.uiuc.edu/health-info/womenhlt/mencramp.html
Cool Nurse: Dysmenorrhea
Offers suggestions for treating menstrual cramps.
www.coolnurse.com/dysmenorrhea.htm