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",
Doctor of Osteopathic Medicine career, or coming from non-science majors. DO medical students are required to take the Comprehensive Osteopathic Medical Licensure Examination (COMLEX-USA), which is sponsored by the National Board of Osteopathic Medical Examiners (NBOME). The COMLEX-USA is series of four osteopathic medical licensing examinations. The first three exams of the COMLEX-USA are taken during medical school and are prerequisites for osteopathic residency programs, which are available in almost every specialty of medicine and surgery. Level 2 consists of a multiple-choice portion and a patient evaluation exam (2PE). COMLEX-Level 2PE, is available only in Chicago, IL and Philadelphia, PA. It is graded as