Polydipsia often goes with hypokalemia). Antipsychotics can have side effects such as dry mouth that may make the patient feel thirsty. Primary polydipsia describes excessive thirst and water intake caused in the absence of physiological stimuli to drink. This includes both psychogenic primary polydipsia and non-psychogenic primary polydipsia, such as in patients with autoimmune chronic hepatitis with severely elevated globulin levels. Psychogenic polydipsia is an excessive water intake seen in some patients with mental illnesses such as schizophrenia, and/or the developmentally disabled. It should be taken very seriously, as the amount of water ingested exceeds the amount that can be excreted
Functional symptom as medicine. A common trend is to see functional symptoms and syndromes such as fibromyalgia, irritable bowel syndrome and functional neurological symptoms such as functional weakness as symptoms in which both biological and psychological factors are relevant, without one necessarily being dominant. Functional symptom A functional symptom is a medical symptom, with no known physical cause. It arises from a problem in the ‘functioning’ of the nervous system, and not due to a structural or pathologically defined disease. Functional symptoms are increasingly viewed within a framework in which psychological, physiological and biological factors should be considered to be relevant. Historically,