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1. stimulation, excitement, or impaired judgment caused by a chemical substance, or as if by one.
2. substance intoxication, especially that due to ingestion of alcohol (see discussion at alcoholism). Alcohol intoxication is defined legally according to a person's blood alcohol level; the definition is 0.10 per cent or more in most states in the U.S. and 0.8 per cent or more in Canada.
alcohol idiosyncratic intoxication a term previously used for marked behavioral change, usually belligerence, produced by ingestion of small amounts of alcohol that would not cause intoxication in most persons. It is now felt that there is no evidence for a distinction between this condition and any other form of alcohol intoxication.
caffeine intoxication caffeinism (def. 2).
cannabis intoxication physiological and psychological symptoms following the smoking of marijuana or hashish, including euphoria, preoccupation with auditory and visual stimuli, and apathy. Intoxication occurs almost immediately after smoking and peaks within 30 minutes.
pathological intoxication alcohol idiosyncratic i.
substance intoxication a type of substance-induced disorder, consisting of reversible, substance-specific, maladaptive behavioral or psychological changes directly resulting from the physiologic effects on the central nervous system of recent ingestion of or exposure to a drug of abuse, medication, or toxin. Specific cases are named on the basis of etiology, e.g., alcohol intoxication.
water intoxication a condition resulting from undue retention of water with decrease in sodium concentration, marked by lethargy, nausea, vomiting, and mild mental aberrations; in severe cases there may be convulsions and coma.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
a metabolic encephalopathy resulting from severe overhydration.
Farlex Partner Medical Dictionary © Farlex 2012
water intoxicationHyperhydration due to excess ingestion of water, resulting in dilutional hyponatremia; WI is most common in Pts with psychiatric or neurologic disease, and may be accompanied by impaired renal fluid excretion and ↑ secretion of ADH, altered mental status, irritability, seizures, somnolence, hypothermia, edema; it is common in infants living in poverty, whose parents 'stretch' powdered formula by adding water Sports medicine Cerebral hyponatremia, hyponatremic encephalopathy A specific form of WI affecting the senses, which occurs in otherwise healthy long-distance runners–eg, ultramarathoners. See Marathon.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
wa·ter in·tox·i·ca·tion(waw'tĕr in-toks'i-kā'shŭn)
Nonphysiologic state caused by excessive water intake during exercise resulting in headache, nausea, and cramping. In severe cases, it may cause seizures and even death.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
water intoxicationThe effect of excessive water retention in the brain in the course of any disorder causing general OEDEMA. The condition features headache, dizziness, confusion, nausea and sometimes seizures and coma. Treatment is the correction of the cause and measures to withdraw water from the brain into the blood.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
A potentially life-threatening condition caused by drinking too much water, which leads to hyponatremia and may result in seizures, coma, and death.
Mentioned in: Electrolyte Supplements
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.