Primary polydipsia rare non-psychogenic causes. An example is polydipsia found in patients with autoimmune chronic hepatitis with severely elevated globulin levels. Evidence for the thirst being non-psychogenic is gained from the fact that it disappears after treatment of the underlying disease. Psychogenic polydipsia is also observed in some non-human patients, such as in rats. Primary polydipsia Primary polydipsia is a form of polydipsia characterised by excessive fluid intake in the absence of physiological stimuli to drink. This includes psychogenic polydipsia (PPD – not to be confused with postpartum depression), which is caused by psychiatric disorders, often schizophrenia, and often accompanied by the
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