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
Patient diary medication according to the treatment schedule, which is an important problem during clinical trials and the treatment of degenerative diseases with relatively few symptoms. Patient diary A patient diary is a tool used during a clinical trial or a disease treatment to assess the patient's condition (e.g. symptom severity, quality of life) or to measure treatment compliance. An electronic patient diary registers the data in a storage device and allows for automatically monitoring the time the entry was made. Frequent recording of symptoms using a diary helps to reduce recall bias. Electronic diaries ensure entries are made as scheduled, and