drug abuse self administration of drug or drugs in manner not in accord with accepted medical or...
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Drug Abuse
Self administration of drug or drugs Self administration of drug or drugs in manner not in accord with in manner not in accord with
accepted medical or social patternsaccepted medical or social patterns
Drug Abuse
Psychological Dependency (Habituation)Psychological Dependency (Habituation) Drug necessary to maintain user’s sense of Drug necessary to maintain user’s sense of
well-beingwell-being Physical DependencyPhysical Dependency
Physical symptoms if intake reducedPhysical symptoms if intake reduced
Drug Abuse
Compulsive Drug UseCompulsive Drug Use Preoccupation with obtaining drugPreoccupation with obtaining drug Rituals of preparing, using drug as important as Rituals of preparing, using drug as important as
drug effectsdrug effects ToleranceTolerance
Increasing doses needed to obtain drug effectIncreasing doses needed to obtain drug effect
Drug Abuse
AddictionAddiction IncludesIncludes
Psychological dependencePsychological dependence Physical dependencePhysical dependence Compulsive useCompulsive use ToleranceTolerance
Plus, complete absorption with obtaining, using Plus, complete absorption with obtaining, using drug to exclusion of all elsedrug to exclusion of all else
Drug Abuse
Suspect drug-related problem in patients with:Suspect drug-related problem in patients with: Altered LOCAltered LOC Bizarre behaviorBizarre behavior SeizuresSeizures
Drug Abuse
Ask Ask EVERYEVERY patient about recreational drugs. patient about recreational drugs. Be non-judgmental.Be non-judgmental. Keep drug box/cabinet secured.Keep drug box/cabinet secured. Use discretion.Use discretion. If held up, give them what they want!If held up, give them what they want!
Narcotics
OpiumOpium Opium derivativesOpium derivatives Synthetic opium substitutesSynthetic opium substitutes
Narcotics
ExamplesExamples OpiumOpium MorphineMorphine HeroinHeroin CodeineCodeine DilaudidDilaudid
Oxycodone (Percodan)Oxycodone (Percodan) Meperidine (Demerol)Meperidine (Demerol) Propoxyphene (Darvon)Propoxyphene (Darvon) TalwinTalwin FentanylFentanyl
Narcotics
EffectsEffects AnalgesiaAnalgesia CNS depressionCNS depression
EuphoriaEuphoria DrowsinessDrowsiness ApathyApathy
Antidiarrheal actionAntidiarrheal action Antitussitive actionAntitussitive action
Narcotics
OverdoseOverdose Mild to ModerateMild to Moderate
LethargyLethargy Pinpoint pupilsPinpoint pupils BradycardiaBradycardia HypotensionHypotension Decreased bowel Decreased bowel
soundssounds Flaccid musclesFlaccid muscles
SevereSevere Respiratory depressionRespiratory depression ComaComa AspirationAspiration Seizures with certain Seizures with certain
compounds (meperidine, compounds (meperidine, propoxyphene, tramadol)propoxyphene, tramadol)
Narcotics
OverdoseOverdose ManagementManagement
Support oxygenation/ventilationSupport oxygenation/ventilationVascular accessVascular accessD50W 50ccD50W 50ccNarcan 0.4 to 2.0 mgNarcan 0.4 to 2.0 mg
• Improve respirationsImprove respirations• Do Do NOTNOT awaken completely awaken completely• Restrain before givingRestrain before giving
Narcotics
Associated DangersAssociated Dangers Skin abscessesSkin abscesses PhlebitisPhlebitis SepsisSepsis HepatitisHepatitis HIVHIV EndocarditisEndocarditis
Adulterant toxicityAdulterant toxicity ““Cotton fever”Cotton fever” MalnutritionMalnutrition TetanusTetanus MalariaMalaria
Narcotics WithdrawalWithdrawal
InsomniaInsomnia RestlessnessRestlessness IrritabilityIrritability AnorexiaAnorexia TremorsTremors Back, extremity painBack, extremity pain
Watery eyesWatery eyes YawningYawning RhinorrheaRhinorrhea SneezingSneezing DiarrheaDiarrhea DiaphoresisDiaphoresis
Resembles Severe Influenza
Narcotics
WithdrawalWithdrawal Lasts 7 to 10 daysLasts 7 to 10 days NOTNOT life threatening life threatening
Categories
BarbituratesBarbiturates BenzodiazepineBenzodiazepine Barbiturate-like non-barbituratesBarbiturate-like non-barbiturates Chloral hydrateChloral hydrate
Mechanism of Action
Most overdoses of sedative-hypnotics are Most overdoses of sedative-hypnotics are from benzodiazepines, barbituratesfrom benzodiazepines, barbiturates
Both enhance effects of gamma-Both enhance effects of gamma-aminobutyric acid (GABA)aminobutyric acid (GABA)
GABA enhancement results in down-GABA enhancement results in down-regulation of CNS activityregulation of CNS activity
Sedative-Hypnotics
Use more then a week leads to tolerance to Use more then a week leads to tolerance to effects on sleep patternseffects on sleep patterns
Withdrawal after long term results in Withdrawal after long term results in “rebound” increase in frequency of “rebound” increase in frequency of occurrence, duration of REM sleep.occurrence, duration of REM sleep.
In high doses, sedative-hypnotics depress In high doses, sedative-hypnotics depress CNS to point of Stage III or general CNS to point of Stage III or general anesthesiaanesthesia
Sedative-Hypnotics
ToleranceTolerance Happens with all sedative-hypnoticsHappens with all sedative-hypnotics Appears very quickly even during short-term Appears very quickly even during short-term
use.use. Discontinuation will bring receptor response Discontinuation will bring receptor response
back to normal after drug has been metabolizedback to normal after drug has been metabolized Withdrawal symptoms may take up to a week Withdrawal symptoms may take up to a week
to see in some patientsto see in some patients
Chloral hydrate
““Micky Finn” when mixed with alcoholMicky Finn” when mixed with alcohol Rapidly absorbed, acts quicklyRapidly absorbed, acts quickly Drowsiness, sleepDrowsiness, sleep Alcohol, chloral hydrate compete for Alcohol, chloral hydrate compete for
metabolism by same enzymemetabolism by same enzyme Prolonged action for both when mixedProlonged action for both when mixed Not commonly abusedNot commonly abused
Barbiturates
Introduced in 1903Introduced in 1903 Replaced older sedative-hypnoticsReplaced older sedative-hypnotics Quickly became major health problemQuickly became major health problem In 1950’s-60’s barbiturates were implicated In 1950’s-60’s barbiturates were implicated
in overdoses; were responsible for majority in overdoses; were responsible for majority of drug-related suicidesof drug-related suicides
Barbiturates
Short-actingShort-acting AmytalAmytal PentathiolPentathiol
Intermediate-actingIntermediate-acting NembutalNembutal SeconalSeconal TuinalTuinal
Long-actingLong-acting PhenobarbitalPhenobarbital
Barbiturates
Initial overdose presentation Initial overdose presentation Slurred speechSlurred speech AtaxiaAtaxia Lethargy Lethargy NystagmusNystagmus Headache Headache ConfusionConfusion
Barbiturates
As overdose progressesAs overdose progresses Depth of coma increasesDepth of coma increases
Patient anesthetized with loss of neurologic functionPatient anesthetized with loss of neurologic function EEG may mimic brain deathEEG may mimic brain death
Respiratory depression occursRespiratory depression occurs Peripheral vasodilation occursPeripheral vasodilation occurs
Hypotension, shockHypotension, shock HypothermiaHypothermia
Blisters (bullae) form on skinBlisters (bullae) form on skin
Barbiturates
Early deathsEarly deaths Respiratory arrestRespiratory arrest Cardiovascular collapseCardiovascular collapse
Delayed deathsDelayed deaths Acute renal failureAcute renal failure PneumoniaPneumonia Pulmonary edemaPulmonary edema Cerebral edema Cerebral edema
Barbiturates
Overdose managementOverdose management Secure airwaySecure airway Support oxygenation/ventilationSupport oxygenation/ventilation IV with LR or NSIV with LR or NS Prevent heat loss secondary to vasodilationPrevent heat loss secondary to vasodilation Bicarbonate to alkalinize urine (long-acting Bicarbonate to alkalinize urine (long-acting
only)only)
Barbiturates
Withdrawal signs/symptomsWithdrawal signs/symptoms ApprehensivenessApprehensiveness AnxietyAnxiety TremulousnessTremulousness DiarrheaDiarrhea NauseaNausea VomitingVomiting SeizuresSeizures
Barbiturate-like, non-barbiturates
ExamplesExamples Doriden (glutethimide)Doriden (glutethimide) Quaalude (methaqualone)Quaalude (methaqualone) Placidyl (ethchlorvynol)Placidyl (ethchlorvynol) NoludarNoludar
Overdose produces sudden, prolonged apneaOverdose produces sudden, prolonged apnea Highly addictiveHighly addictive Withdrawal resembles barbiturate withdrawalWithdrawal resembles barbiturate withdrawal Only Placidyl, Doriden remain available in U.S.Only Placidyl, Doriden remain available in U.S.
Placidyl (ethchlorvynol)
““Pickles”, “jelly beans”, “Mr. Green Jeans”Pickles”, “jelly beans”, “Mr. Green Jeans” Produces vinyl-like odor on breathProduces vinyl-like odor on breath Concentrates in CNS, slow hepatic metabolismConcentrates in CNS, slow hepatic metabolism Half-life >100 hrsHalf-life >100 hrs Prolonged deep coma (100 to 300 hrs), hypothermia, Prolonged deep coma (100 to 300 hrs), hypothermia,
respiratory depression, hypotension, bradycardiarespiratory depression, hypotension, bradycardia EEG is flatlineEEG is flatline Keep patient on life support for a few days; they wake Keep patient on life support for a few days; they wake
up, are okup, are ok
Doriden (gluthethimide)
Abused in combination with codeineAbused in combination with codeine ““sets”, “hits”, “loads”, “fours and doors”sets”, “hits”, “loads”, “fours and doors” Prolonged coma (average 48 hours)Prolonged coma (average 48 hours) Hypotension, shock commonHypotension, shock common Anticholinergic signs: dilated pupils, tachycardia, Anticholinergic signs: dilated pupils, tachycardia,
dry mouth, ileus, urinary retention, hyperthermiadry mouth, ileus, urinary retention, hyperthermia
Benzodiazepines
Developed due to overdoses, deaths related Developed due to overdoses, deaths related to barbiturates, barbiturate-like non-to barbiturates, barbiturate-like non-barbituratesbarbiturates
Relatively few deathsRelatively few deaths In 1993, prescription rate for barbiturates In 1993, prescription rate for barbiturates
dropped to one-sixth that of benzosdropped to one-sixth that of benzos
Benzodiazepines
ExamplesExamples Valium (diazepam)Valium (diazepam) Ativan (lorazepam)Ativan (lorazepam) Versed (midazolam)Versed (midazolam) Librium (chlorodiazepoxide)Librium (chlorodiazepoxide) Tranxene (chlorazepate dipotassium)Tranxene (chlorazepate dipotassium) Dalmane (flurazepam)Dalmane (flurazepam) Halcion (triaxolam)Halcion (triaxolam) Restoril (temazepam)Restoril (temazepam)
Benzodiazepines
Adverse EffectsAdverse Effects WeaknessWeakness HeadacheHeadache Blurred visionBlurred vision VertigoVertigo NauseaNausea DiarrheaDiarrhea Chest painChest pain
Benzodiazepines
OverdosesOverdoses Relatively safe taken by themselves, even in overdoseRelatively safe taken by themselves, even in overdose Can be lethal with other CNS depressants especially Can be lethal with other CNS depressants especially
alcohol alcohol Look like other CNS depressant overdosesLook like other CNS depressant overdoses Antidote is Romazicon ( flumazenil )Antidote is Romazicon ( flumazenil )
Only recommended in known, controlled situationsOnly recommended in known, controlled situations Can lead to seizures that cannot be controlledCan lead to seizures that cannot be controlled
Benzodiazepines
Produce withdrawal syndrome similar to Produce withdrawal syndrome similar to barbiturate withdrawalbarbiturate withdrawal
Benzodiazepine-like non-benzos
BuSpar (buspirone)BuSpar (buspirone) Used for generalized anxiety disorderUsed for generalized anxiety disorder Less sedating than diazepamLess sedating than diazepam Less potentiation by other CNS depressantsLess potentiation by other CNS depressants
Ambien, Stilnox (zolpidem)Ambien, Stilnox (zolpidem) Used for short-term insomnia treatmentUsed for short-term insomnia treatment Toxic effects similar to benzosToxic effects similar to benzos
Neuroleptics
Antipsychotics, major tranquilizersAntipsychotics, major tranquilizers Used in treatment of schizophrenia, other Used in treatment of schizophrenia, other
psychosespsychoses ExamplesExamples
HaldolHaldol MellarilMellaril ThorazineThorazine StellazineStellazine CompazineCompazine
Neuroleptics
Extrapyramidal muscle contractions Extrapyramidal muscle contractions (dystonias)(dystonias) Bizarre, acute, involuntary movements, spasms Bizarre, acute, involuntary movements, spasms
of skeletal musclesof skeletal muscles Reversible with BenadrylReversible with Benadryl
Neuroleptics
Acute Overdose PresentationAcute Overdose Presentation CNS depressionCNS depression HypotensionHypotension Anticholinergic symptoms: flushing, dry Anticholinergic symptoms: flushing, dry
mouth, hyperthermia, tachycardia, urinary mouth, hyperthermia, tachycardia, urinary retentionretention
Ventricular arrhythmias, including TorsadesVentricular arrhythmias, including Torsades SeizuresSeizures
Neuroleptics
Acute Overdose ManagementAcute Overdose Management ABCsABCs Fluid, vasopressors for hypotensionFluid, vasopressors for hypotension Lidocaine, phenytoin for ventricular arrhythmiaLidocaine, phenytoin for ventricular arrhythmia Magnesium, isoproterenol for TorsadesMagnesium, isoproterenol for Torsades Benzodiazepines, phenobarbital for seizuresBenzodiazepines, phenobarbital for seizures
Neuroleptics
Neuroleptic malignant syndromeNeuroleptic malignant syndrome Life-threatening reactionLife-threatening reaction Signs, symptomsSigns, symptoms
HyperthermiaHyperthermia Muscular rigidityMuscular rigidity Altered LOCAltered LOC Tachycardia, hypotensionTachycardia, hypotension
Neuroleptics
Neuroleptic malignant syndromeNeuroleptic malignant syndrome ManagementManagement
ABCsABCs OxygenOxygen Assist ventilation, as neededAssist ventilation, as needed BenzodiazepinesBenzodiazepines Rapid coolingRapid cooling Volume for hypotensionVolume for hypotension
Stimulants
ExamplesExamples CocaineCocaine AmphetaminesAmphetamines
Benzedrine (bennies)Benzedrine (bennies) Dexedrine (dexies, copilots)Dexedrine (dexies, copilots) Methamphetamine (ice, black beauties)Methamphetamine (ice, black beauties)
EphedrineEphedrine CaffeineCaffeine RitalinRitalin
Stimulants
Produce Produce euphoriaeuphoria hyperactivityhyperactivity alertnessalertness sense of enhanced energysense of enhanced energy anorexiaanorexia
Stimulants
Overdose signs/symptomsOverdose signs/symptoms Euphoria, restlessness, agitation, anxietyEuphoria, restlessness, agitation, anxiety Paranoia, irritability, delirium, psychosisParanoia, irritability, delirium, psychosis Muscle tremors, rigidityMuscle tremors, rigidity Seizures, comaSeizures, coma Nausea, vomiting, chills, sweating, headacheNausea, vomiting, chills, sweating, headache Elevated body temperatureElevated body temperature Tachycardia, hypertensionTachycardia, hypertension Ventricular arrhythmiasVentricular arrhythmias
Stimulants
Overdose complicationsOverdose complications Hyperthermia, heat stroke Hyperthermia, heat stroke Hypertensive crisisHypertensive crisis CVACVA Acute MIAcute MI Intestinal infarctionsIntestinal infarctions RhabdomyolysisRhabdomyolysis Acute renal failureAcute renal failure
Stimulants
Chronic effectsChronic effects Weight lossWeight loss CardiomyopathyCardiomyopathy ParanoiaParanoia PsychosisPsychosis Stereotypic behavior: picking at skin Stereotypic behavior: picking at skin
(“cocaine bugs”) (“cocaine bugs”)
Stimulants
Overdose managementOverdose management Oxygen, monitor, IVOxygen, monitor, IV Activated charcoal for decontamination in first hourActivated charcoal for decontamination in first hour Valium for sedationValium for sedation Hypertension controlHypertension control
NiprideNipride PhentolaminePhentolamine Avoid beta-blockers, including labetolol (Why?)Avoid beta-blockers, including labetolol (Why?)
Body temperature reductionBody temperature reduction
Stimulants
WithdrawalWithdrawal DrowsinessDrowsiness Profound depression (“cocaine blues”)Profound depression (“cocaine blues”) Increased appetiteIncreased appetite Abdominal cramps, diarrhea, nauseaAbdominal cramps, diarrhea, nausea HeadacheHeadache
Hallucinogens
ExamplesExamples Indole hallucinogensIndole hallucinogens
LSD (acid)LSD (acid) Morning-glory Morning-glory
seedsseeds PsilocybinPsilocybin DMTDMT
Amphetamine-like Amphetamine-like hallucinogenshallucinogens PeyotePeyote MescalineMescaline DOMDOM MDAMDA MDMA (ecstasy)MDMA (ecstasy)
Hallucinogens
Produce altered/enhanced sensationProduce altered/enhanced sensation Effects highly variable depending on patientEffects highly variable depending on patient Increased dose does not intensify effectIncreased dose does not intensify effect Toxic overdose virtually impossibleToxic overdose virtually impossible
Hallucinogens
Some patients may experience “bad trips”Some patients may experience “bad trips” Depends on surroundings, emotional stateDepends on surroundings, emotional state Signs and symptomsSigns and symptoms
Paranoia, fearfulness, combativenessParanoia, fearfulness, combativeness Anxiety, excitementAnxiety, excitement Nausea, vomitingNausea, vomiting Tachycardia, tachypneaTachycardia, tachypnea TearfulnessTearfulness Bizarre ReasoningBizarre Reasoning
Hallucinogens
Moderate IntoxicationModerate Intoxication TachycardiaTachycardia MydriasisMydriasis DiaphoresisDiaphoresis Short attention spanShort attention span TremorTremor HypertensionHypertension HyperreflexiaHyperreflexia FeverFever
Hallucinogens
Life-threatening toxicity (rare)Life-threatening toxicity (rare) SeizuresSeizures Severe hyperthermiaSevere hyperthermia Hypertension, arrhythmiasHypertension, arrhythmias Obtunded, agitated, or thrashing aboutObtunded, agitated, or thrashing about Diaphoretic, hyperreflexicDiaphoretic, hyperreflexic Untreated hyperthermia can lead to hypotension, Untreated hyperthermia can lead to hypotension,
coagulopathy, rhabdomyolysis and multiple organ coagulopathy, rhabdomyolysis and multiple organ failurefailure
Hallucinogens
Management of “bad trip”Management of “bad trip” Rule out other causes of hallucinationsRule out other causes of hallucinations
HypoglycemiaHypoglycemia Alcohol, drug withdrawalAlcohol, drug withdrawal InfectionInfection
Quiet, supportive environmentQuiet, supportive environment Benzodiazepines, haldol for agitation, anxietyBenzodiazepines, haldol for agitation, anxiety
Phencyclidine (PCP)
Street namesStreet names Angel dustAngel dust Peace PillPeace Pill Hog Hog KrystalKrystal Animal tranquilizerAnimal tranquilizer
Used as veterinary anestheticUsed as veterinary anesthetic
Phencyclidine (PCP)
ActionsActions Dissociative anesthesiaDissociative anesthesia Generalized loss of pain perceptionGeneralized loss of pain perception Little or no depression of airway reflexes or Little or no depression of airway reflexes or
ventilationventilation CNS-stimulant, anticholinergic, opiate, and CNS-stimulant, anticholinergic, opiate, and
alpha-adrenergic effectsalpha-adrenergic effects
Phencyclidine (PCP)
Low DosesLow Doses Lethargy, euphoria, hallucinationsLethargy, euphoria, hallucinations Slurred speechSlurred speech Blank stareBlank stare Insensitivity to painInsensitivity to pain Midposition to dilated pupilsMidposition to dilated pupils Vertical and horizontal nystagmusVertical and horizontal nystagmus Occasionally bizarre or violent behaviorOccasionally bizarre or violent behavior
Phencyclidine (PCP)
High DosesHigh Doses DiaphoresisDiaphoresis SalivationSalivation HypertensionHypertension TachycardiaTachycardia HyperthermiaHyperthermia
Localized dystonic reactionsLocalized dystonic reactions Wide-eyed comaWide-eyed coma RigidityRigidity SeizuresSeizures
Phencyclidine (PCP)
TreatmentTreatment Maintain airwayMaintain airway Assist ventilations, as neededAssist ventilations, as needed Treat coma, seizures, hypertension, hypothermia as Treat coma, seizures, hypertension, hypothermia as
neededneeded Quiet environmentQuiet environment Sedation if needed to control agitationSedation if needed to control agitation
HaldolHaldol BenzodiazepinesBenzodiazepines
Inhalants
ExamplesExamples Hydrocarbons (solvents, paints, aerosols)Hydrocarbons (solvents, paints, aerosols) Gases (freon, halon fire extinguishing agent)Gases (freon, halon fire extinguishing agent) Metallic paints (“huffing”)Metallic paints (“huffing”)
Inhalants
EffectsEffects Dysrhythmias including VFDysrhythmias including VF CNS depressionCNS depression SeizuresSeizures Respiratory irritationRespiratory irritation Epinephrine may increase risk of dysrhythmiasEpinephrine may increase risk of dysrhythmias
TreatmentTreatment OxygenOxygen Treat symptomaticallyTreat symptomatically
“Date rape” drugs
Flunitrazepam (Rhohypnol)Flunitrazepam (Rhohypnol) Gamma hydroxybutyrateGamma hydroxybutyrate
Flunitrazepam (Rhohypnol)
Street namesStreet names RophiesRophies RoofiesRoofies R2R2 RoofenolRoofenol
RocheRoche Roachies Roachies La rochaLa rocha RopeRope RibRib
Flunitrazepam (Rhohypnol)
BenzodiazepineBenzodiazepine Similar to Valium but 10x more potentSimilar to Valium but 10x more potent Produced, sold legally in Europe, South Produced, sold legally in Europe, South
AmericaAmerica UsesUses
Short-term treatment of insomniaShort-term treatment of insomnia Sedative hypnoticSedative hypnotic Preanesthetic medicationPreanesthetic medication
Flunitrazepam (Rhohypnol)
EffectsEffects Disinhibition and amnesiaDisinhibition and amnesia Onset within 30 minutes, peak within 2 hours, Onset within 30 minutes, peak within 2 hours,
may persist 8 hours or moremay persist 8 hours or more Frequently abused with alcohol or other drugsFrequently abused with alcohol or other drugs Enhances high produced by heroinEnhances high produced by heroin
Flunitrazepam (Rhohypnol)
Adverse EffectsAdverse Effects DrowsinessDrowsiness DizzinessDizziness ConfusionConfusion Decreased BPDecreased BP Memory impairmentMemory impairment GI disturbancesGI disturbances Excitability, aggressive behaviorExcitability, aggressive behavior
Flunitrazepam (Rhohypnol)
Management of overdoseManagement of overdose Lethal overdose very unlikelyLethal overdose very unlikely Oxygenate, ventilateOxygenate, ventilate Intubate if necessary to control airwayIntubate if necessary to control airway Vascular accessVascular access ECGECG Fluid for hypotensionFluid for hypotension Dextrostick (rule out hypoglycemia)Dextrostick (rule out hypoglycemia) Treat trauma resulting from assaultTreat trauma resulting from assault
Flunitrazepam (Rhohypnol)
WithdrawalWithdrawal HeadacheHeadache Anxiety, tensionAnxiety, tension Numbness, tingling of Numbness, tingling of
extremitiesextremities Restlessness, Restlessness,
confusionconfusion Loss of identityLoss of identity
HallucinationsHallucinations DeliriumDelirium Seizures (up to a week Seizures (up to a week
after cessation)after cessation) ShockShock Cardiovascular Cardiovascular
collapsecollapse
Flunitrazepam (Rhohypnol)
Management of withdrawalManagement of withdrawal Oxygen/ventilationOxygen/ventilation Intubate if necessaryIntubate if necessary EKGEKG Vascular accessVascular access Fluid for hypotensionFluid for hypotension DextrostickDextrostick Diazepam for seizuresDiazepam for seizures
Gamma hydroxybutyrate
Street namesStreet names Cherry methCherry meth Liquid XLiquid X Liquid ecstacyLiquid ecstacy
Originally developed as anestheticOriginally developed as anesthetic Banned in 1991 because of side effectsBanned in 1991 because of side effects Promoted as aphrodisiacPromoted as aphrodisiac