American Chronic Pain Association
A support and information service for people in chronic pain.

American Pain Foundation (Baltimore)
This site is an online resource for people with pain, their families, friends, caregivers, and the general public.

American Pain Society
This is a non-profit information resource and patient advocacy organization serving people with pain.

City of Hope Pain & Palliative Care Resource Center
The purpose of this center is to make available information and resources that will enable other individuals and institutions to improve the quality of pain management.

National Lymphedema Network
A nonprofit organization providing telephone support, education referral to lymphedema treatment centers and equipment supplies, and a pen-pal program.