Drug Overdose Glossary of Terms

The following are health and medical definitions of terms that appear in the Drug Overdose article.

Abdominal: Relating to the abdomen, the belly, that part of the body that contains all of ...

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Abdominal pain: Pain in the belly. Abdominal pain can be acute or chronic. It may reflect ...

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Activated charcoal: Charcoal that has been heated to increase its ability to absorb molecu...

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Airway: The path that air follows to get into and out of the lungs. The mouth and nose are...

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Antidote: A drug that counteracts a poison.

Anxiety: A feeling of apprehension and fear, characterized by physical symptoms such as pa...

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Asthma: A common lung disorder in which inflammation causes the bronchi to swell and narro...

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Blood pressure: The blood pressure is the pressure of the blood within the arteries. It is...

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Bowel: The small and large intestine.

Brain: The portion of the central nervous system that is located within the skull. It func...

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Breathing: The process of respiration, during which air is inhaled into the lungs through ...

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Carbon monoxide poisoning: A potentially deadly condition caused by breathing carbon monox...

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Cathartic: A laxative.

Chest: The area of the body located between the neck and the abdomen. The chest contains t...

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Chest pain: Pain in the chest that can be a result of many things, including angina, heart...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Chronic disease: A disease that persists for a long time. A chronic disease is one lasting...

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Coma: A state of deep, unarousable unconsciousness. A coma may occur as a result of head t...

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Detoxify: To reduce or eliminate the toxicity of a substance or poison. To promote the rec...

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Diarrhea: A common condition that involves unusually frequent and liquid bowel movements. ...

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Emergency department: The department of a hospital responsible for the provision of medica...

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Gastric: Having to do with the stomach.

Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Injury: Harm or hurt. To harm, hurt, or wound. The word injure may be in physical or emot...

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Intervention: The act of intervening, interfering or interceding with the intent of modify...

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Ipecac: A naturally occurring substance with multiple properties including the ability to ...

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Laboratory: A place for doing tests and research procedures, and for preparing chemicals a...

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Lavage: Washing out. Gastric lavage, for example, is the washing out of the stomach to rem...

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Lethal: Deadly.

Liver: The largest solid organ in the body, situated in the upper part of the abdomen on t...

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Lungs: The lungs are a pair of breathing organs located with the chest which remove carbon...

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Metabolism: The whole range of biochemical processes that occur within a living organism. ...

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Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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Organ: A relatively independent part of the body that carries out one or more special func...

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Organ failure: The failure of an essential system in the body. Multiple organ failure is t...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Poison: Any substance that can cause severe organ damage or death if ingested, breathed in...

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Poison control center: A special information center set up to inform people about how to r...

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Poisoning: Taking a substance that is injurious to health or can cause death. Poisoning i...

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Psychiatric: Pertaining to or within the purview of psychiatry, the medical specialty conc...

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Pulse: The rhythmic dilation of an artery that results from beating of the heart. Pulse is...

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Recurrence: The return of a sign, symptom, or disease after a remission. The reappearance ...

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Respiratory: Having to do with respiration.

Respiratory rate: The number of breaths per minute or, more formally, the number of moveme...

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Shortness of breath: Difficulty in breathing. Medically referred to as dyspnea. Shortness ...

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Stomach: The digestive organ that is located in the upper abdomen, under the ribs. The upp...

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Stool: The solid matter that is discharged in a bowel movement.

Substance: 1. Material with particular features.
2. The material that...

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Substance abuse: The excessive use of a substance, especially alcohol or a drug. (There is...

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Therapeutic: Relating to therapeutics, the branch of medicine that is concerned specifical...

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Therapy: The treatment of disease. Therapy is synonymous with treatment.

Trauma: A physical or emotional injury.

Vital: Necessary to maintain life. For example, breathing is a vital function.

Vitamins: The word "vitamin" was coined in 1911 by the Warsaw-born biochemist Casimir Funk...

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Vomit: Matter from the stomach that has come up into and may be ejected beyond the mouth, ...

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