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
Shared decision-making in medicine to ensure that the patient understood the information. The second facet of SDM, as proposed by this model, is assertive utterances, which may include making recommendations to physicians, expressing an opinion or preference, or expressing disagreement. The third component of the model is information provision of symptoms, medical history and psychosocial factors, with or without prompting from the physician. The final component of SDM is expressions of concern, including affective responses such as anxiety, worry, or negative feelings. The extent of participation can be determined based on how often a patient displays these four overarching behaviors. SDM increasingly relies on