Polydipsia Polydipsia Polydipsia is excessive thirst or excess drinking. The word derives from the Greek () "very thirsty", which is derived from (, "much, many") + (, "thirst"). Polydipsia is a nonspecific symptom in various medical disorders. It also occurs as an abnormal behaviour in some non-human animals, such as in birds. This symptom is characteristically found in diabetics, often as one of the initial symptoms, and in those who fail to take their anti-diabetic medications or whose condition is poorly controlled. It can also be caused by a change in the osmolality of the extracellular fluids of the body, hypokalemia,
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.