Polydipsia is possible to rule out psychogenic polydipsia or habit polydipsia. Polydipsia is a symptom (evidence of a disease state), not a disease in itself. As it is often accompanied by polyuria, investigations directed at diagnosing diabetes insipidus and diabetes mellitus can be useful. Blood serum tests can also provide useful information about the osmolality of the body's extracellular fluids. A decrease in osmolality caused by excess water intake will decrease the serum concentration of red blood cells, blood urea nitrogen (BUN), and sodium. Polydipsia Polydipsia is excessive thirst or excess drinking. The word derives from the Greek () "very thirsty",
Osteopathic medicine in the United States Osteopathic medical students take the Osteopathic Oath, similar to the Hippocratic oath, to maintain and uphold the "core principles" of osteopathic medical philosophy. Revised in 1953, and again in 2002, the core principles are: Contemporary osteopathic physicians practice evidence-based medicine, indistinguishable from their MD colleagues. There are different opinions on the significance of these principles. Some note that the osteopathic medical philosophy is akin to the tenets of holistic medicine, suggestive of a kind of social movement within the field of medicine, one that promotes a more patient-centered, holistic approach to medicine, and emphasizes the role of the primary care