• Actiq ('Perc-a-pop')
• Acupuncture
• Addiction/analgesia
• Addiction therapies
• Addiction therapies/ondansetron (Zofran)
• Addiction/treatment
• Addiction treatment: removing the pleasure centres
• Adenosine A2 receptors/heroin addiction
• Adolescents/non-prescribed use of pain relievers
• Afghan opium
• Age and pain
• Agitation/opioid therapy
• Agonist/antagonist combo
• Agonist efficacy/tolerance
• AGS3 genes/addiction
• Alcoholism
• Alcohol/mu receptor gene
• Alfentanil (Alfenta) : structure
• Alfentanil/pain
• Alkaloid biosynthesis
• Alvimopan/OBD
• Amphibians/opioids
• Anabolic steroids/opioids
• Anaesthesia/surgery
• Anaesthesia/analgesia
• Anaesthesia/opioid agonists-antagonists
• Analgesia/combination analgesics
• Anger/endogenous opioid system
• Anileridine (Leritine)
• Anterior cingulate cortex
• Anticarcinogenic morphine?
• Antidepressant efficacy
• Antidepressants/opioid pathways
• Antidepressive response/depression subtypes
• Anxiety disorders
• Arthritis
• 'Attactiveness scale' (OxyContin, Dilaudid, Percocet)
• Avinza (morphine sustained-release)
• Avinza vs Oxycontin
• Babies/pain
• Bacteria/opioid synthesis
• Basal hedonic tone/endogenous opioids
  
• Behavioral senstization
• Beta-hydroxy 3-methylfentanyl
• Nor-binaltorphimine
• Biphalin sulphate
• Black cohosh (Actaea racemosa, Cimicifuga racemosa)
• Bodypackers
• Breathing/mu1/mu2
• Breathing/5-HT4(a) receptors
• Bremazocine
• Bungee jumping/opioid-induced euphoria
• Buprenorphine (Temgesic) : structure
• Buprenorphine v methadone
• Buprenorphine/naltrexone
• Buprenorphine palmitate
• Buprenorphine/receptors
• Buprenorphine/refractory depression
• Buprenorphine/transdermal
• Buprenorphine and reward
• Butorphanol (Stadol)
• Buying painkilers online
• Canadian opiophobia
• Cancer pain
• Cancer pain: methadone versus morphine
• Cannabinoids/opioids
• Carfentanil/halothane gas/ Russian military
• Carfentanil/black bears
• Carfentanil : structure
• Cats
• Cerebellum/heroin-induced euphoria
• Chocolate/endogenous opioids
• Cholecystokinin/opioids
• Cholecystokinin/opioid system homeostasis
• Chronic pain
• Chronic pain: opioids
• Cocaine-remifentanil mixtures
• Codeine
• Codeine : structure
• Codeine/narcolepsy
• OTC cough syrups
• Constipation
• Continuous opiate infusion
• CREB/cocaine
• CRF/opioid withdrawal
• DALDA
• DAMGO/mu-selective
• DAMGO/zero tolerance
• Decriminalisation
• Delta receptors/cholecystokinin
• Delta/CREB
• Delta receptors/emotion
• Delta agonists/Parkinson's therapy
• Delta/mu receptors and reward
• Delta receptor agonists as antidepressants
• Depression
• Dextromoramide (Palfium)
• Dextropropoxyphene (Darvon, Doloxene)
• Dezocine (Dalgan)
• Diacetylmorphine (Heroin)
• Dihydrocodeine : structure
• Dihydrocodeine (DF118)
• Dihydroetorphine
• Dipipanone (Wellconal)
• Diprenorphine
• Diprenorphine : structure
• Doctors criminalised
• Dogs/opium
• Dopamine/D3
• Dopamine/reward
• Dopamine/dynorphin/CART
• Dopamine/opioids/obesity
• DREAM
• Drug-induced Parkinsonism
  
• Drug testing
• Drugs versus cash
• Duragesic
  
• Dynamin
• Dynorphin
• Dynorphin A/bradykinin receptors
• Dynorphin A/pain promotion
• Dynorphin/stress
• Dysphoria/dynorphin/stress
• Electroacupuncture
• Enadoline
• Endogenous morphine
• Endogenous morphine/rewarding drugs
• Endogenous opiates
• Endomorphins
• Endomorphins 1 and 2
• Endomorphin 1 /antinociception
• Endomorphins/adenylyl cyclase
• Endomorphins as antidepressants
• Endomorphins/mouse
• Endomorphins/mu kockout mice
• Endomorphins/mu receptor
• Endomorphins/pain
• Endomorphins/pharmacology
• Enkephalinase
• Enkephalins
• Enkephalins/learned helplessness
• Environment/opioid sensitivity
• Etorphine/elephants
• Etorphine (Immobilon) : structure
• Etorphine/veterinary info
• Evolution/opioid system
• Evolution/opioid receptors
• Exercise/endogenous opioids
• Exorphins
• Feeding
• Fentanyl
• Fentanyl (Sublimaze) : structure
• Fentanyl/Actiq
• Fentanyl/analogs
• Fentanyl/cognitive effects
• Fentanyl/driving
• Fentanyl (Fentora)
• Fentanyl/ketamine
• Fentanyl/push-button
• Fentanyl/serotonin
• Fentanyl/transdermal
• 4-methyl fentanyl
• Fedotozine
• Fetal pain
• Fibromyalgia/mu receptors
• Food/endogenous opioid system
• Frogs
• G protein
• GABA/opioids
• GABA/reward
• GABA transporter currents
• Gastrointestinal effects
• Gene expression
• Gene therapy for pain
• Genetic polymorphism/mu opioid receptor
• Glutamate/opioids
• GNTI/kappa antagonism
• Hair contamination
• 'Hedonic hotspot'
  
• Hedonism/molecular basis?
• Heroin
• Heroin : structure
• Heroin/baclofen
• Heroin/cocaine
• Heroin/dosage/withdrawal
• Heroin/Dr Shipman
• Heroin/extended amygdala
• Heroin/intranasal
• Heroin/intravenous rush
• Heroin/morphine
• Heroin/nitric oxide
• Heroin/nucleus accumbens
• Heroin/OCD
• Heroin/pharmaceutical
• Heroin/prescribed
• Heroin/unlimited
• Heroin/vitamin C
• 'Hillbilly Heroin'
• Hippocampal neurogenesis decrease
• Histamine/opioids
• History of pain-management
• Honeybees/opium poppies
• HPA axis/mu/delta/kappa receptor agonists
• Hospices
• Hycodan (hydrocodone + homatropin)
• Hydrocodone
• Hydrocodone (Vicodin) : structure
• Hydromorphone
• Hydromorphone v morphine
• Hydromorphone (Dilaudid, Palladone) : structure
• Hydroxymitragynine
• Hyperalgesia
• Hyperalgesia/mu opioid withdrawal
• Hypocretin/orexin arousal system
• Immune function
• Implants
• Indian opium trade
• Irritable bowel syndrome
• Iso-carfentanil
• Itching
• Itching/mu agonists
• JDTic
• Joints/opioid receptors
• Kappa agonists
• Kappa agonists/dopamine d2
• Kappa agonists/cell cultures
• Kappa agonists/visceral pain
• Kappa receptor agonists: salvinorin A
• Kappa receptor antagonists/mood
• Kappa receptors/cocaine
• Kappa withdrawal/Planaria
• Ketobemidone
• Korea
• LAAM
• LAAM : structure
  
• LAAM v methadone
• LAAM/pharmacokinetics
• Lay pharmacists
• Lefetamine (Santenol)
• Levorphanol : structure
• Levorphanol (Levo-Dromoran)
• LIH 383
• LIH 383 (pdf)
• Lofentanil
• Lofentanil : structure
• Loperamide (Imodium)
• Maternal behavior
• MCL-144B
• Meperidine
• Meperidine (Demerol) : structure
• Meptazinol (Meptid)
• Methadone
• Methadone (Dolophine) : structure
• Methadone/breastfeeding
• Methadone and cocaine
• Methadone and heroin
• Methadone in the UK
• Methadone, LAAM and the rush
• Methadone maintenance
• Methadone/neuropathic pain
• Methadone maintenance/subliminal euphoria
• Methadone: pharmacology
• Methadone, morphine and heroin
• Methadone, politics and power
• Methadone/safety
  
• Methylnaltrexone
• Methylnaltrexone (Relistor): mechanisms
  
• Methylnaltrexone (MNTX, Relistor): phase III clinical trials
• Methylnaltrexone : structure
• Methylnaltrexone/OBD
• Methylnaltrexone/tolerability
• Methylnaltrexone trials
• 14-Methoxymetopon
• Micro-opioid receptors
• 'Milk of Paradise'
• Mitragyna speciosa (Kratom)
• Mitragynine
• 6-monoacetylmorphine
• MorphiDex
• Morphine
• Morphine : structure
• Morphine/antipsychotic
• Morphine biosynthesis?
• Morphine/cholecystokinin
• Morphine/endogenous?
• Morphine dependence
• Morphine/depression
• Morphine/high dose
• Morphine/end of life
• Morphine/liquid
• Morphine/mood and cognition
• Morphine myths
• Morphine safety
• Morphine/serotonin
• Morphine/verapamil
• Morphine/Viagra
  
• Morphine worms
• Morphine-6-glucuronide
• Mortality
• MPP+
• MPTP
  
• Mu receptors
• Mu receptors/addiction
• Mu receptors/gender/age
• Mu receptor polymorphism
• Mu receptor subtypes
• Mu, delta, kappa
• Mu-less mice
• Mu, delta, kappa and emotion
• Mu 3 opioid receptor
• Mu-opioid receptor/pain of social rejection
• Music/brain
• Nalbuphine (Nubain)
• Nalmefene (Revex)
• Naloxonazine
• Naloxone
• Naloxone (Narcan) : structure
• Naloxone/depression and the HPA
• Naloxone/mood and endocrine function
• Naloxone/opioid withdrawal
• Naltrexone
• Naltrexone/fibromyalgia treatment
  
• Naltrexone-induced dysphoria
• Naltrexone/kleptomania treatment
• Naltrexone/low dose/improved quality of life?
• Naltrexone/suicide risk
• Naltrexone (Trexan, Revia, Depade, Vivitrol) : structure
• Naltrexone/microgram doses
• Narcosis/nightshade
• Nausea
• Needle Park
• Nefopam/morphine
• Neuroimmunology
• Neurokinin-1/Substance P
• Neuropathic pain
• Neuropathology
• New Zealand
• Nicotine/pleasure/opioid receptors
• Nicotine/mu opioid receptors
• NO synthase inhibition/tolerance reduction
• NMDA antagonists
• Nociceptin/Orphanin
• Nociceptin
• Nociceptin antagonists
• Nociceptin/orphanin FQ peptide receptor
• Nocistatin
• Nocistatin/reversing opioid tolerance
• Non-opioid effects of opioid peptides
• Norbuprenorphine
• Norbinaltorphimine
• Norbinaltorphimine/antidepressant
• Noradrenaline/morphine/pleasure
• NSAIDs/opioid tolerance
• Nucleus accumbens/heroin
• Nucleus accumbens shell/medium spiny neurons
• OCD
• Opiates/treatment-resistant depression
• Opiated curry
  
• Opiates plus benzodiazepines
• Overdose
• Opioid receptors
• Opioids/apoptosis
• Opioid bowel dysfunction
• Opioid-dopamine interactions
• Opioid-modulating peptides
• Opioid peptide analogues/pain relief
• Opioids
• Opioids/review
• Opioids/analgesia/euphoria
• Opioids/anhedonia
• Opioid/cannabinoid analgesics
• Opioids/chronic pain
• Opioids/constipation
• Opioids/delayed rewards
• Opioids/headaches
• Opioids/immune system
• Opioids/NMDA antagonists
• Opioids/nonmalignant pain
• Opioids/novelty
• Opioids/social bonding
• Opioid metabolites
  
• Opioid switching
  
• Opioids and food
• Opioids and mood
• Opioids and stress regulation
• Opioids, dopamine and alcohol
• Opioids/goldfish/giant toad
• Opioids/mu receptors
• Opioids/pharmacogenetics
• Opiophobia
• Opiorphin
• Opium
• Opium/Iran
• Opium poppy
• Opponent process theory
• Oxycodone
• Oxycodone (Percodan) : structure
• Oxycodone/controlled-release
• Oxycodone/metabolism
• Oxycodone/metabolites
• Oxycodone/pharmacokinetics
• Oxycodone/subjective effects
• OxyContin/media
• OxyContin/medicolegal
• OxyContin/politics/science
• OxyCon Game
• Oxymorphazole
• Oxymorphone
• Oxymorphone (Numorphan) : structure
• Oxytrex (PTI-801)
• p38 MAPK signalling/stress/dysphoria
• P-glycoprotein
• Pain
• Pain/brain
• Pain ethics
• Painkillers
• Pain-management
• Pain medication online
• Pain/men v women
• Pain tolerance/nocistatin
• Pain-relief medication
• Papaver/morphine biosynthesis
• Paracetamol/opioid receptors
• 'Paradoxical pain'
• Pediatric body-packing
• Pentazocine (Talwin)
• Peripheral
• Peroxynitrite/morphine tolerance
• Pharmacogenetics
• Pholcodine
• Piritramide
• Placental Opioid-Enhancing Factor (POEF)
• Placebo analgesia
• Placebo effect/endogenous opioids
• Pleasure/opioids
• Poppy-killers
• 'Poppy-seed defence'
• Poppy-seeds/pastry
• Poppy-seeds/driving
• Poppy-seeds/morphine
• Poppy-seeds/urinalysis
• Poppy tea
• Proglumide
• Propoxyphene
• Propoxyphene (Darvon) : structure
• Propoxyphene (Darvon) : subjective effects
• Pruritus/mu opioid receptors
• Purkinje cells/endogenous morphine
• Rapid opioid detoxification
• Receptor endocytosis
• Receptor interactions
• Receptor migration
• Receptor regulation
• Remifentanil
• Remifentanil (Ultiva) : structure
• Roxycodone (oxycodone hydrochloride)
• "Runners' High"/endogenous opioid release
• "Rush"/heroin
• SB203580
• SCN9a gene /pain sensitivity variation
• Self-medication
• Sexual addicts/naltrexone
• Sexual function
• Signalling mechanisms
• Skin/opioids
• Skin-popping
• Smokers/opioid analgesia
• Social life/mu opioid receptors
• SoRI 9409 (mu-agonist/delta-antagonist)
• Speedballs
• Speedballs/monkeys
• Spinal opioid therapy
• Spiradoline
• SSRIs/opioids
• Stress/opioid system
• Substance P release inhibition
• Substance P receptors
• Subutex/Suboxone
• Sufentanil
• Sufentanil (Sufenta) : structure
• Sugar junkies
• Tanning/endogenous opioids
• Tapentadol
• Tapentadol/MOR/NE reuptake inhibition
• Tapering
• Thebaine
• Thiorphan
• Third World/painkiller scarcity
• Tickling
• Tilidine
• Tilidine (Valeron) : structure
• Tincture of opium
• Tolerance
• Tolerance/mechanisms
• Tolerance/peroxynitrite
• Tolerance/prevention
• Tolerance prevention/heterodimer abundance
• Top1 poppy mutants
• Tourette's
• Tramadol
• Tramadol (Ultram) : structure
• Tramadol Contramid OAD
• Tramadol/depression
• Tramadol/dosage
• Tramadol/pain
• Tramadol/methadone
• Tramadol/sustained release
• Transdermal fentanyl
• Transgene-mediated endomorphin-2
  
• Trifluoperazine/CaMKII/opioid tolerance reversal
• Trifolium pratense
• TTS-F (therapeutic transdermal fentanyl)
• UFP-101/painkiller
• Ultram (tramadol)
• Ultra-rapid opiate detoxification
• Unireceptor?
• Vaccination?
• Valium/opioid tolerance inhibition
• Vicodin controversy
• Workplace drug-tests
• Withdrawal
  
• Withdrawal hyperalgesia
• Withdrawal/non-opioid drug options
• Zebrafish opioid receptors
• Zero tolerance?
• Zurich
• Zyklophin
  

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