Category: S
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Stelazine
Brand name (now discontinued) for the conventional antipsychotic drug trifluoperazine. A commercial preparation of the major tranquilizers.
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Stavzor
Brand name for the anticonvulsant drug valproic acid.
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Stadol NS
Brand name for a nasal spray formulation of the opioid agonist-antagonist analgesic drug butorphanol tartrate.
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Spongiform encephalopathies
A group of progressive conditions that affect the brain and nervous system of many animals, including humans. According to the most widespread hypothesis, they are transmitted by prions. Mental and physical abilities deteriorate and myriad tiny holes appear in the cerebral cortex, causing it to look like a sponge when brain tissue obtained at autopsy…
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Speech disturbance
Any disorder of verbal communication that is not due to faulty innervation of speech muscles or organs of articulation. The term includes many language and learning disabilities. Contrast with agraphia, aphasia, and apraxia in Table of Neurologic Deficits.
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Spatial agnosia
The inability to recognize spatial relations; disordered spatial orientation.
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Sotos syndrome
A rare genetic disorder characterized by excessive physical growth during the first 2 to 3 years of life. The disorder may be accompanied by mild intellectual disability; delayed motor, cognitive, and social development; hypotonia; and speech impairments. Children with sotos syndrome tend to be large at birth and are often taller and heavier, and have…
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Sonata
Brand name for the nonbenzodiazepine hypnotic drug zaleplon.
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Somnambulism
A form of sleep disorder in which the person gets out of bed and walks in an uncoordinated manner, usually during deep non–rapid eye movement (NREM) sleep. the person does not respond to communication by others and can be awakened only with great difficulty. on awakening, the person has amnesia for the event, although mental…
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Somatoform disorders
A group of disorders with symptoms suggesting physical disorders but without demonstrable organic findings to explain the symptoms. there is positive evidence, or a strong presumption, that the symptoms are linked to psychological factors or conflicts. In dsm-iv-tr, this diagnostic category includes body dysmorphic disorder (BDD), conversion disorder, hypochondriasis, pain disorder, somatization disorder, undifferentiated somatoform…