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 literature of medical knowledge was far surpassing the capacity of any single individual to encompass". Since that time, this has been the standard. Examples are: Harrison's "Principal of Internal Medicine" is widely considered the most read textbook of medicine ever. It was able to eclipse Cecil's by changing the organization. Instead of organizing by disease, Tinsley Harrison organized the book by region and symptom, allowing students to learn the myriad causes of a patient's symptom, without first knowing the specific disease. Harrison's is also credited for a strong commitment to linking basic science to clinical medicine. Health-related information is often disseminated