Concetti Chiave

  • Drug misuse refers to using medicine contrary to medical or manufacturer recommendations, unlike drug use which follows intended purposes and prescriptions.
  • Withdrawal symptoms occur when a patient who's physically dependent on a drug stops taking it, leading to psychological and/or physiological reactions.
  • Stimulants, or "uppers," enhance central nervous system activity, boosting alertness or combating fatigue, while depressants have the opposite effect.
  • Potentiation occurs when two drugs are taken together and one enhances the effect of the other, leading to intensified drug action.
  • Hypersensitivity is an allergic reaction to a drug that can occur upon first exposure or after prolonged use, affecting some drug handlers like nurses and pharmacists.

Indice

  1. Definitions of drug use and abuse
  2. Withdrawal symptoms and stimulants
  3. Enhancement and antagonism effects

Definitions of drug use and abuse

Drug use: the use of a substance for its intended purpose and according to prescription

Drug misuse: use of medicine in a way not recommended by a doctor or the manufacturer
Tolerance: when a subject’s reaction to a psychoactive drug decreases so larger doses are required to achieve the same effect

Addiction: chronic pathological condition characterized by compulsive drug-seeking and abuse and by long-lasting chemical changes in the brain

Withdrawal symptoms and stimulants

Withdrawal symptoms: psychological and/or physiological reactions that occur when a patient has become physically dependent on a drug and suddenly stops taking it

Stimulants: (“uppers” in slang) a group of drugs that tend to stimulate the central nervous system to increase or maintain alertness or counteract fatigue
Depressants: (“downers” in slang) chemical agents that diminish the function or activity of a specific part of the body to induce a drowsy or calm feeling in patients

Cross tolerance and cross dependence: the tendency for a person affected by tolerance or dependence to a drug in a certain classification or category to develop it to another drug in the same or a similar classification or category

Enhancement and antagonism effects

Potentiation: two drugs are taken together and one intensifies the action of the other

Additive effect: two or more drugs are taken at the same time and the combination results in the desired maximum response

Antagonism: two drugs given together have the opposite effect on the body
Hypersensitivity: allergic reaction that sometimes occurs after the first time the patient is exposed to a drug or after years of taking it; it sometimes affects professionals who handle drugs (ex. nurses, pharmacists and veterinarians)

Side/adverse effects: an effect of a drug other than the one for which it was administered; it may or may not depend on the purpose of administration

Domande da interrogazione

  1. What is the difference between drug use and drug misuse?
  2. Drug use refers to using a substance for its intended purpose and according to prescription, while drug misuse involves using medicine in a way not recommended by a doctor or the manufacturer.

Domande e risposte

Hai bisogno di aiuto?
Chiedi alla community