The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) is part of the U.S. National Institutes of Health. It conducts and supports research on many of the most serious diseases affecting public health, particularly the diseases of internal medicine. NIDDK sponsors the National Kidney and Urologic Diseases Information Clearinghouse (NKUDIC). It has information about diseases of the kidneys and urologic system for people with these diseases and their families, health professionals, and the public.

Publications and links to medical journal articles about prostatitis are available at this site. The Prostatitis Foundation also sponsors a moderated e-mail discussion group.

UrologyHealth.org is a website written by urologists for patients. Visitors can find specific topics by using the "search" option.

The website provides information about adult and pediatric urologic topics, including kidney, bladder, and prostate conditions. You can find a urologist, sign up for a free quarterly newsletter, or click on the Urology Resource Center to find materials about urologic problems.