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  2. Opioid use disorder - Wikipedia

    en.wikipedia.org/wiki/Opioid_use_disorder

    [57] [79] As a result of downregulated signaling through these proteins, opiates cause VTA neuronal hyperexcitability and shrinkage (specifically, the size of the neuronal soma is reduced). [57] It has been shown that when an opiate-naive person begins using opiates in concentrations that induce euphoria, BDNF signaling increases in the VTA. [80]

  3. Opioid withdrawal - Wikipedia

    en.wikipedia.org/wiki/Opioid_withdrawal

    Suboxone tablet (Buprenorphine/naloxone) delivers the opioid drug through a sublingual route, giving fast onset of effects.. Opioid withdrawal is a set of symptoms (a syndrome) arising from the sudden cessation or reduction of opioids where previous usage has been heavy and prolonged.

  4. Addiction psychology - Wikipedia

    en.wikipedia.org/wiki/Addiction_psychology

    [44] Contingency management has been shown to help individuals struggling with addiction reach abstinence with a wide range of addictive drugs (e.g., alcohol, opiates, cocaine, and nicotine). [44] This may explain why drug abusers are at risk for relapse even after long periods of abstinence and despite the potentially devastating consequences.

  5. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/dying-to-be-free...

    “All proper prospective studies have shown that more than 90 percent of opiate addicts in abstinence-based treatment return to opiate abuse within one year.” In her ideal world, doctors would consult with patients and monitor progress to determine whether Suboxone, methadone or some other medical approach stood the best chance of success.

  6. Substance abuse - Wikipedia

    en.wikipedia.org/wiki/Substance_abuse

    Opiates v opioids illustrated with diagrams and sub-classifications Three countries in Europe have active HAT programs , namely England , the Netherlands and Switzerland . Despite critical voices by conservative think-tanks with regard to these harm-reduction strategies, significant progress in the reduction of drug-related deaths has been ...

  7. Drug detoxification - Wikipedia

    en.wikipedia.org/wiki/Drug_detoxification

    Drug detoxification (informally, detox) is variously construed or interpreted as a type of "medical" intervention or technique in regards to a physical dependence mediated by a drug; as well as the process and experience of a withdrawal syndrome or any of the treatments for acute drug overdose (toxidrome).

  8. Opioid - Wikipedia

    en.wikipedia.org/wiki/Opioid

    The terms 'opioid' and 'opiate' are sometimes used interchangeably, but the term 'opioid' is used to designate all substances, both natural and synthetic, that bind to opioid receptors in the brain. [4] Opiates are alkaloid compounds naturally found in the opium poppy plant Papaver somniferum. [5] [6]

  9. Drug tolerance - Wikipedia

    en.wikipedia.org/wiki/Drug_tolerance

    Drug tolerance or drug insensitivity is a pharmacological concept describing subjects' reduced reaction to a drug following its repeated use. Increasing its dosage may re-amplify the drug's effects; however, this may accelerate tolerance, further reducing the drug's effects.