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- Opioid_antagonist abstract "An opioid antagonist, or opioid receptor antagonist, is a receptor antagonist that acts on opioid receptors.Naloxone and naltrexone are commonly used opioid antagonist drugs which are competitive antagonists that bind to the opioid receptors with higher affinity than agonists but do not activate the receptors. This effectively blocks the receptor, preventing the body from responding to opioids and endorphins.Some opioid antagonists are not pure antagonists but in fact do produce some weak opioid partial agonist effects, and can produce analgesic effects when administered in high doses to opioid-naive individuals. Examples of such compounds include nalorphine and levallorphan. However the analgesic effects from these specific drugs are limited and tend to be accompanied by dysphoria, most likely due to additional agonist action at the kappa opioid receptor. As they induce opioid withdrawal effects in people who are taking, or have recently used, opioid full agonists, these drugs are considered to be antagonists for practical purposes.The weak partial agonist effect can be useful for some purposes, and has previously been used for purposes such as long-term maintenance of former opioid addicts using nalorphine, however it can also have disadvantages such as worsening respiratory depression in patients who have overdosed on non-opioid sedatives such as alcohol or barbiturates. Naloxone on the other hand has no partial agonist effects, and is in fact a partial inverse agonist at mu opioid receptors, and so is the preferred antidote drug for treating opioid overdose.Naltrexone is also a partial inverse agonist, and this property is exploited in treatment of opioid addiction, as a sustained course of low-dose naltrexone can reverse the altered homeostasis which results from long-term abuse of opioid agonist drugs. This is the only treatment available which can reverse the long-term after effects of opioid addiction known as post acute withdrawal syndrome, which otherwise tends to produce symptoms such as depression and anxiety that may lead to eventual relapse. A course of low-dose naltrexone is thus often used as the final step in the treatment of opioid addiction after the patient has been weaned off the substitute agonist such as methadone or buprenorphine, in order to restore homeostasis and minimise the risk of post acute withdrawal syndrome once the maintenance agonist has been withdrawn.Narcan and Vivitol are not the same thing. Narcan is to reverse overdose, vivitol is used to block opioid.".
- Opioid_antagonist wikiPageExternalLink AB003086.htm.
- Opioid_antagonist wikiPageID "3533299".
- Opioid_antagonist wikiPageLength "6177".
- Opioid_antagonist wikiPageOutDegree "45".
- Opioid_antagonist wikiPageRevisionID "707564945".
- Opioid_antagonist wikiPageWikiLink AT-076.
- Opioid_antagonist wikiPageWikiLink Alcoholic_beverage.
- Opioid_antagonist wikiPageWikiLink Analgesic.
- Opioid_antagonist wikiPageWikiLink Anesthesia.
- Opioid_antagonist wikiPageWikiLink Anxiety.
- Opioid_antagonist wikiPageWikiLink Barbiturate.
- Opioid_antagonist wikiPageWikiLink Buprenorphine.
- Opioid_antagonist wikiPageWikiLink Cancer.
- Opioid_antagonist wikiPageWikiLink Category:Opioid_antagonists.
- Opioid_antagonist wikiPageWikiLink Competitive_antagonist.
- Opioid_antagonist wikiPageWikiLink Cyprodime.
- Opioid_antagonist wikiPageWikiLink Depersonalization_disorder.
- Opioid_antagonist wikiPageWikiLink Depression_(mood).
- Opioid_antagonist wikiPageWikiLink Drug_overdose.
- Opioid_antagonist wikiPageWikiLink Drug_withdrawal.
- Opioid_antagonist wikiPageWikiLink Dysphoria.
- Opioid_antagonist wikiPageWikiLink Hannibal_(TV_series).
- Opioid_antagonist wikiPageWikiLink Heroin.
- Opioid_antagonist wikiPageWikiLink Homeostasis.
- Opioid_antagonist wikiPageWikiLink House_(TV_series).
- Opioid_antagonist wikiPageWikiLink House_(season_2).
- Opioid_antagonist wikiPageWikiLink Hypoventilation.
- Opioid_antagonist wikiPageWikiLink Inverse_agonist.
- Opioid_antagonist wikiPageWikiLink J-113,397.
- Opioid_antagonist wikiPageWikiLink Levallorphan.
- Opioid_antagonist wikiPageWikiLink Methadone.
- Opioid_antagonist wikiPageWikiLink Morphine.
- Opioid_antagonist wikiPageWikiLink Nalorphine.
- Opioid_antagonist wikiPageWikiLink Naloxone.
- Opioid_antagonist wikiPageWikiLink Naltrexone.
- Opioid_antagonist wikiPageWikiLink Naltrindole.
- Opioid_antagonist wikiPageWikiLink Nociceptin_receptor.
- Opioid_antagonist wikiPageWikiLink Norbinaltorphimine.
- Opioid_antagonist wikiPageWikiLink Opioid.
- Opioid_antagonist wikiPageWikiLink Opioid_modulator.
- Opioid_antagonist wikiPageWikiLink Opioid_receptor.
- Opioid_antagonist wikiPageWikiLink Paraneoplastic_syndrome.
- Opioid_antagonist wikiPageWikiLink Partial_agonist.
- Opioid_antagonist wikiPageWikiLink Post-acute-withdrawal_syndrome.
- Opioid_antagonist wikiPageWikiLink Receptor_antagonist.
- Opioid_antagonist wikiPageWikiLink Δ-opioid_receptor.
- Opioid_antagonist wikiPageWikiLink Κ-opioid_receptor.
- Opioid_antagonist wikiPageWikiLink Μ-opioid_receptor.
- Opioid_antagonist wikiPageWikiLinkText "Endorphin blocker".
- Opioid_antagonist wikiPageWikiLinkText "Opioid antagonist".
- Opioid_antagonist wikiPageWikiLinkText "Opioid receptor antagonist".
- Opioid_antagonist wikiPageWikiLinkText "Opioid_antagonist".
- Opioid_antagonist wikiPageWikiLinkText "antagonist".
- Opioid_antagonist wikiPageWikiLinkText "narcotic antagonist".
- Opioid_antagonist wikiPageWikiLinkText "opioid "pan" antagonist".
- Opioid_antagonist wikiPageWikiLinkText "opioid antagonist".
- Opioid_antagonist wikiPageWikiLinkText "opioid receptor antagonist".
- Opioid_antagonist wikiPageWikiLinkText "opioid receptor antagonists".
- Opioid_antagonist wikiPageWikiLinkText "reverses the effects of opioids".
- Opioid_antagonist wikiPageUsesTemplate Template:MeshName.
- Opioid_antagonist wikiPageUsesTemplate Template:Opioidergics.
- Opioid_antagonist wikiPageUsesTemplate Template:Reflist.
- Opioid_antagonist subject Category:Opioid_antagonists.
- Opioid_antagonist hypernym Antagonist.
- Opioid_antagonist type Drug.
- Opioid_antagonist type Antagonist.
- Opioid_antagonist type Opioid.
- Opioid_antagonist type Concept.
- Opioid_antagonist comment "An opioid antagonist, or opioid receptor antagonist, is a receptor antagonist that acts on opioid receptors.Naloxone and naltrexone are commonly used opioid antagonist drugs which are competitive antagonists that bind to the opioid receptors with higher affinity than agonists but do not activate the receptors.".
- Opioid_antagonist label "Opioid antagonist".
- Opioid_antagonist sameAs Q908096.
- Opioid_antagonist sameAs مضادات_أفيونية.
- Opioid_antagonist sameAs Opioidantagonist.
- Opioid_antagonist sameAs Opioidiantagonistit.
- Opioid_antagonist sameAs m.09jyhd.
- Opioid_antagonist sameAs Q908096.
- Opioid_antagonist wasDerivedFrom Opioid_antagonist?oldid=707564945.
- Opioid_antagonist isPrimaryTopicOf Opioid_antagonist.