Definitions of Drug Abuse
Physical Dependence refers to a patient's need to take a drug. If a patient is dependent, he or she will experience withdrawal symptoms when the medication is discontinued. This is a normal reaction to certain medical substances, such as opioids.
There is a physiological craving for the substance. The dependent user may become tolerant to the medication.
Tolerance refers to a need for increased dosage of a medication or drug to produce the desired result. The body becomes accustomed to the chemical, and the usual dosage is no longer effective.
Drug Abuse refers to taking a drug for a purpose other than the one it was prescribed or intended for. This may lead to dependence, physical damage, and even death.
Drug Addiction refers to continuing to take a chemical (drug) because it produces a desired effect, "to get high, to have fun, to get a lift, or to calm down." (FDA, see source below) . This is an obsessive behavior. The victim continues to take the drug even though he or she is aware of detrimental effects. The overwhelming desire is also associated with a compulsion to acquire the drug, increased dosage, dependence, and detrimental effects to family and society.
Prescription Drug Abuse is the use of prescribed medications for a purpose other than the intended use.
"Physical dependence, which is sometimes unavoidable, develops when an individual is exposed to a drug at a high enough dose for long enough that the body adapts and develops a tolerance for the drug... If the patient stops taking the drug, then withdrawal will occur... The individual can't just stop taking the drug; the dose has to be tapered," FDA , see below
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Sources:
Mosby's Medical & Nursing Dictionary, "Drug Abuse", "Drug Addiction", c 1983 by the C.V. Mosby Company
Awake! "Prescription Drug Abuse", May 2009 pages 3-10
Federal Drug Administration, US Government, "Prescription Drug Use and Abuse", http://www.fda.gov/fdac/features/2001/501_drug.html
Published by Donna Davis
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