About Us | Privacy | Site Map
May 23, 2013


Substance Abuse Glossary of Terms

The following are health and medical definitions of terms that appear in the Substance Abuse article.

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

See the entire definition of Abdominal

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

See the entire definition of Abdominal pain

Addiction: An uncontrollable craving, seeking, and use of a substance such as alcohol or a...

See the entire definition of Addiction

Alcohol abuse: Use of alcoholic beverages to excess, either on individual occasions (binge...

See the entire definition of Alcohol abuse

Alcoholism: Physical dependence on alcohol to the extent that stopping alcohol use would b...

See the entire definition of Alcoholism

Amnesia: An impairment to or lack of memory. Antegrade amnesia refers to a lack of memory ...

See the entire definition of Amnesia

Anesthetic: A substance that causes lack of feeling or awareness, dulling pain to permit s...

See the entire definition of Anesthetic

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

See the entire definition of Anxiety

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

See the entire definition of Blood pressure

Blurred vision: Lack of sharpness of vision with, as a result, the inability to see fine d...

See the entire definition of Blurred vision

Botulism: An uncommon but potentially very serious illness, a type of food poisoning, that...

See the entire definition of Botulism

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

See the entire definition of Brain

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

See the entire definition of Breathing

Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, ...

See the entire definition of Cancer

Cannabis: Marijuana (Cannibis sativa), a drug derived from the family of plants that inclu...

See the entire definition of Cannabis back to top

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

See the entire definition of Chest

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

See the entire definition of Chest pain

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

See the entire definition of Chronic

Cocaine: A substance derived from the leaves of the coca plant that is a bitter, addictive...

See the entire definition of Cocaine

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

See the entire definition of Coma

Cough: A rapid expulsion of air from the lungs, typically in order to clear the lung airwa...

See the entire definition of Cough

Delirium: A sudden state of severe confusion and rapid changes in brain function, sometime...

See the entire definition of Delirium

Delirium tremens: A central nervous system symptom of alcohol withdrawal that is seen in c...

See the entire definition of Delirium tremens

Depression: An illness that involves the body, mood, and thoughts and that affects the way...

See the entire definition of Depression

Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

See the entire definition of Diagnosis

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

See the entire definition of Diarrhea

Discharge: 1.The flow of fluid from part of the body, such as from the nose or vag...

See the entire definition of Discharge

Dizziness: Painless head discomfort with many possible causes including disturbances of ...

See the entire definition of Dizziness

Ecstasy: 1. A state of rapture and trancelike elation.
2. A street nam...

See the entire definition of Ecstasy

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

See the entire definition of Emergency department back to top

Emphysema: 1) A lung condition featuring an abnormal accumulation of air in the lung's ma...

See the entire definition of Emphysema

Esophagus: The tube that connects the pharynx (throat) with the stomach. The esophagus lie...

See the entire definition of Esophagus

Family history: The family structure and relationships within the family, including inform...

See the entire definition of Family history

Fever: Although a fever technically is any body temperature above the normal of 98.6 degr...

See the entire definition of Fever

Hallucinogen: A drug that causes hallucinations (profound distortions in a person's percep...

See the entire definition of Hallucinogen

Hallucinogenic: 1. As an adjective: Producing hallucinations. From hallucino- + -ge...

See the entire definition of Hallucinogenic

Headache: A pain in the head with the pain being above the eyes or the ears, behind the he...

See the entire definition of Headache

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

See the entire definition of Heart

Heart disease: Any disorder that affects the heart. Sometimes the term "heart disease" is ...

See the entire definition of Heart disease

Heart rate: The number of heartbeats per unit of time, usually per minute. The heart rate ...

See the entire definition of Heart rate

Heart valves: There are four heart valves. All are one-way valves. Blood entering the ...

See the entire definition of Heart valves

Hepatitis: Inflammation of the liver, irrespective of the cause. Hepatitis is caused by a ...

See the entire definition of Hepatitis

Hepatitis B: Inflammation of the liver due to the hepatitis B virus (HBV), once thought t...

See the entire definition of Hepatitis B

Heroin: Semisynthetic drug derived from morphine. Discovered in 1874, it was introduced co...

See the entire definition of Heroin

High blood pressure: A repeatedly elevated blood pressure exceeding 140 over 90 mmHg. Chro...

See the entire definition of High blood pressure back to top

Hormone: A chemical substance produced in the body that controls and regulates the activit...

See the entire definition of Hormone

Inhalant: 1. Generally, any breathable chemical vapor.
2. Specificall...

See the entire definition of Inhalant

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

See the entire definition of Injury

Internal medicine: The medical specialty dedicated to the diagnosis and medical treatment ...

See the entire definition of Internal medicine

Jaundice: Yellow staining of the skin and sclerae (the whites of the eyes) by abnormally h...

See the entire definition of Jaundice

Kidney: One of a pair of organs located in the right and left side of the abdomen. The kid...

See the entire definition of Kidney

Leg: In popular usage, the part of the body from the top of the thigh down to the foot, an...

See the entire definition of Leg

Lightheadedness: A feeling you are "going to faint." Lightheadedness is medically distinc...

See the entire definition of Lightheadedness

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

See the entire definition of Liver

Low blood pressure: Any blood pressure that is below the normal expected for an individua...

See the entire definition of Low blood pressure

Lung cancer: Cancer of the major organ of respiration - the lung. Lung cancer kills more m...

See the entire definition of Lung cancer

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

See the entire definition of Lungs

Malnutrition: A term used to refer to any condition in which the body does not receive eno...

See the entire definition of Malnutrition

Marijuana: A common street and recreational drug that comes from the marijuana plant: the ...

See the entire definition of Marijuana

MDMA: Abbreviation for 3-4 methylenedioxymethamphetamine. See: Ecstasy.

back to top

Memory: 1. The ability to recover information about past events or knowledge. ...

See the entire definition of Memory

Methadone: A synthetic opiate. The most common medical use for methadone is as a legal sub...

See the entire definition of Methadone

Mouth: 1. The upper opening of the digestive tract, beginning with the lips and con...

See the entire definition of Mouth

Muscle: Muscle is the tissue of the body which primarily functions as a source of power. T...

See the entire definition of Muscle

Narcotic: 1. A drug that causes insensibility or stupor. A narcotic induces narcosi...

See the entire definition of Narcotic

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

See the entire definition of Nausea

Nerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory an...

See the entire definition of Nerve

Nicotine: An alkaloid (a nitrogen-containing chemical) made by the tobacco plant or produc...

See the entire definition of Nicotine

NIDA: Stands for the National Institute on Drug Abuse, one of the National Institutes of H...

See the entire definition of NIDA

NIH: National Institutes of Health.

Nose: The external midline projection from the face. The purpose of the nose is to warm, c...

See the entire definition of Nose

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

See the entire definition of Pain

Pancreas: A spongy, tube-shaped organ that is about 6 inches long and is located in the ba...

See the entire definition of Pancreas

PCP: Pneumocystis carinii pneumonia.

Peptic ulcer: An ulcer in the lining of the stomach, duodenum, or esophagus. Peptic ulcers...

See the entire definition of Peptic ulcer back to top

Pharmacy: A location where prescription medications are sold. A pharmacy is constantly sup...

See the entire definition of Pharmacy

Pregnancy: The state of carrying a developing embryo or fetus within the female body. Thi...

See the entire definition of Pregnancy

Prescription: A physician's order for the preparation and administration of a drug or dev...

See the entire definition of Prescription

Prognosis: The forecast of the probable outcome or course of a disease; the patient's chan...

See the entire definition of Prognosis

Psychosis: In the general sense, a mental illness that markedly interferes with a person'...

See the entire definition of Psychosis

Public health: The approach to medicine that is concerned with the health of the community...

See the entire definition of Public health

Recurrent: Appearing or occurring again. For example, a recurrent fever is a fever that ha...

See the entire definition of Recurrent

Relapse: The return of signs and symptoms of a disease after a remission.

Resistance: Opposition to something, or the ability to withstand something. For example, s...

See the entire definition of Resistance

Rohypnol: The trade name for flunitrazepam, which has been abused as a 'date rape' drug. R...

See the entire definition of Rohypnol

Roofies: Street term for Rohypnol.

Sedative: A drug that calms a patient, easing agitation and permitting sleep. Sedatives ge...

See the entire definition of Sedative

Seizure: Uncontrolled electrical activity in the brain, which may produce a physical conv...

See the entire definition of Seizure

Sensation: In medicine and physiology, sensation refers to the registration of an incoming...

See the entire definition of Sensation

Sleep: The body's rest cycle.

back to top

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

See the entire definition of Stomach

Stroke: The sudden death of brain cells due to lack of oxygen, caused by blockage of blood...

See the entire definition of Stroke

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

See the entire definition of Substance

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

See the entire definition of Substance abuse

Suicidal: Pertaining to suicide. the taking of ones own life. As in a suicidal gesture, su...

See the entire definition of Suicidal

Sweating: The act of secreting fluid from the skin by the sweat (sudoriferous) glands. The...

See the entire definition of Sweating

Testosterone: A "male hormone" -- a sex hormone produced by the testes that encourages th...

See the entire definition of Testosterone

Tetanus: An often fatal infectious disease that is caused by the bacterium Clostridium tet...

See the entire definition of Tetanus

Tiredness: See: Tired.

Tobacco: A South American herb (Nicotiana tabacum) whose leaves contain 2 to 8 percent nic...

See the entire definition of Tobacco

Trauma: A physical or emotional injury.

Tremor: An abnormal, repetitive shaking movement of the body. Tremors have many causes and...

See the entire definition of Tremor

Trigger: Something that either sets off a disease in people who are genetically predispose...

See the entire definition of Trigger

Ulcer: A lesion that is eroding away the skin or mucous membrane. Ulcers can have various ...

See the entire definition of Ulcer

Urine: Liquid waste produced by the kidneys. Urine is a clear, transparent fluid that norm...

See the entire definition of Urine back to top

Veterinary medicine: The medical science concerned with the diagnosis, treatment and preve...

See the entire definition of Veterinary medicine

Weight loss: Weight loss is a decrease in body weight resulting from either voluntary (die...

See the entire definition of Weight loss

Withdrawal symptoms: Abnormal physical or psychological features that follow the abrupt di...

See the entire definition of Withdrawal symptoms back to top


Women's Health

Find out what women really need.

Please acknowledge your agreement





Medical Dictionary


Use Pill Finder Find it Now

Pill Identifier on RxList

  • quick, easy,
    pill identification

Find a Local Pharmacy

  • including 24 hour, pharmacies