Water intoxication is a rare condition characterised by overconsumption of water. It can occur in athletes engaging in endurance sports, users of MDMA (ecstasy), and patients receiving total parenteral nutrition. This case outlines water intoxication in a patient with psychogenic polydipsia. When the kidney's capacity to compensate for exaggerated water intake is exceeded, hypotonic hyperhydrat...

Psychogenic non-epileptic seizure (PNES), also known as pseudoseizure, pseudo-epileptic seizure and psychogenic seizure, is a psychologically based disorder accompanied with abnormal movements, sensations, emotions and/or behaviors that mimic epileptic seizures, but does not originate from a neurological disturbance (1-3). Psychogenic seizure, historically known as hysterical seizure (3, 4), is...

Psychogenic paraplegia is an uncommon conversion disorder characterized by nonorganic loss of motor function precipitated by some type of traumatic event. A 60-year-old man was referred from neurosurgery department with the chief complaint of paraplegia. One year ago he was involved in a motor vehicle accident. Whole spine magnetic resonance imaging (MRI) and electrophysiological study couldn’t...

We encountered 6 rare cases of acute-onset unilateral psychogenic hearing loss in adults. All were women in their 20s and 30s. Three cases had severe hearing impairment characterized by hearing loss at every frequency; 2 cases had profound hearing impairment, and 1 case had low-frequency hearing impairment. Of the 6 cases, 3 had a history of hearing loss, and 1 had a history of psychogenic visu...

Psychogenic fever reflects a phenomenon where core body temperature is high (up to 41°C) or low-grade high (37-38°C) during either acute or chronic stress. Underlying mechanisms are distinct from infection-induced fever and involve the central and sympathetic nervous systems. Psychogenic fever appears a complex psychological, physiological and endocrinological phenomenon.