Primary polydipsia symptoms, such as delusions involving fluid intake or other unusual behaviours. Primary polydipsia may have physiological causes, such as autoimmune hepatitis. Since primary polydipsia is a diagnosis of exclusion, the diagnosis may be made for patients who have medically unexplained excessive thirst, and this is sometimes incorrectly referred to as "psychogenic" rather than "primary" polydipsia. As a diagnosis of exclusion, a diagnosis of primary polydipsia may be the result of elimination of the possibility of diseases causing similar signs and symptoms, such as diabetes insipidus. Diagnosis may be complicated by the fact that chronic and extreme compulsive drinking may impair
Medical centers in the United States Kingdom. The Texas Medical Center is the largest medical center in the world with one of the highest densities of clinical facilities for patient care, basic science, and translational research. Located in Houston, the center contains 50 medicine-related institutions, including 21 hospitals and two specialty institutions, two medical schools, six nursing schools, and schools of dentistry, public health, pharmacy, and other health-related practices. All 50 institutions are not-for-profit and constitute some of the most highly regarded institutions in the country, including: M.D. Anderson Cancer Center, Texas Children's Hospital, The Texas Heart Institute, The Methodist Hospital and Baylor College of Medicine.