Substance Withdrawal SyndromeMorphine DependenceNarcotic AntagonistsNaloxoneAlcohol Withdrawal DeliriumOpioid-Related DisordersAnalgesics, OpioidMorphineNarcoticsMitragynaAlcohol Withdrawal SeizuresReceptors, Opioid, muNaltrexoneReceptors, OpioidChlormethiazoleNeonatal Abstinence SyndromeSyndromeBuprenorphineDrug ToleranceHeroin DependenceOpiate Substitution TreatmentMethadoneMethadyl AcetateReceptors, Opioid, deltaClonidineEthanolReceptors, Opioid, kappaCarisoprodolPeriaqueductal GrayBehavior, AnimalOpioid PeptidesDose-Response Relationship, DrugAlcoholismClonazepamThiamine MonophosphateDronabinolHypnotics and SedativesRats, Sprague-DawleyAdrenergic alpha-AgonistsReceptors, CannabinoidCannabisMuscle Relaxants, CentralCannabinoidsMecamylamineCentral Nervous System DepressantsBenzodiazepinesTobacco Use DisorderAnti-Anxiety AgentsDrug InteractionsIntensive Care Units, PediatricNicotineAnticonvulsantsSeizuresDown SyndromeReceptors, DrugTime FactorsMetabolic Syndrome XSubstance-Related DisordersRats, WistarEnkephalinsBrainEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Nephrotic SyndromeDynorphinsInfant, NewbornSjogren's SyndromeEnkephalin, D-Penicillamine (2,5)-EndorphinsPainEnkephalin, LeucineTurner SyndromeAnalgesicsEnkephalin, Leucine-2-AlaninePain MeasurementDiprenorphine