Substance | Intoxication Signs and Symptoms | Distinguishing Characteristics of Intoxication | Urine Toxicologya | Withdrawal/Chronic Use |
---|---|---|---|---|
Amphetamines AKA Crank Speed | Fast onset, usually within an hour. Physical: mydriasis, anorexia, insomnia, hyperactivity—possible rhabdomyolysis, tremor, dry mouth, convulsions, chest pain, arrhythmia, heart block, coma. Psychiatric: elation, irritability, hyperactivity, depression, panic, rapid speech, psychosis. | Mydriasis Hyperactivity Psychotic symptoms | Duration of detection in urine, 48 h | Dysphoric mood, suicidality in some cases Fatigue/hypersomnia Psychomotor retardation Nightmares Chronic use: Clinical presentation similar to cocaine intoxication, but may last longer. |
Cannabis AKA Marijuana Blunt Hashish Weed Pot Ganja Grass Joints Mary Jane | Physical: conjunctival injection, increased appetite, dry mouth, tachycardia, impaired motor performance, visual distortions. Psychiatric: euphoria and/or dysphoria, anxiety, paranoia, impaired judgment. | Conjunctival injection Increased appetite Dry mouth Tachycardia | Duration of detection in urine, 3 d to 4 weeks False positives: Dronabinol Naproxen | Acute withdrawal symptoms rare, but slowed cognitive processing and irritability may persist. Chronic use: Chronic use is associated with chronic obstructive pulmonary disease, lung cancer, psychiatric illness (e.g., amotivational syndrome/chronic cannabis syndrome), and cognitive dysfunction. In individuals predisposed to mental illness, chronic use can lead to anxiety, panic attacks, depression, paranoia, and psychosis. Decreased fertility |
Cocaine AKA Crack Coke Rock Speedballing (mixed with heroin) | Physical: mydriasis, tachycardia, elevated blood pressure, chest pain, cardiac arrhythmias, sweating or chills, gastrointestinal symptoms, anorexia, respiratory depression, dyskinesias, seizures, coma. Psychiatric: euphoria, agitation, paranoia, hallucinations, impaired judgment. Intoxication resembles mania — symptoms persisting >24-48 hrs may indicate an underlying bipolar disorder. | “Mania-like presentation” Hallucinations | Duration of detection in urine. 6-8 h Metabolites 2-4 d False positives: Fluconazole Local anesthetics | Early symptoms include intense drug craving, restlessness, anxiety, depression followed by fatigue, decreased energy, insomnia/hypersomnia, increased appetite. Chronic use: Chronic use may lead to apathy, persistent psychosis, cognitive impairment. |
Gamma-hydroxybutyric acid (GHB) AKA Liquid ecstasy Grievous bodily harm “Date rape drug” | Physical: vomiting, dizziness, respiratory depression. Psychiatric: euphoria, relaxed state, disinhibition. Commonly used as a recreational drug by party/nightclub attendees and as a growth hormone-releaser for bodybuilders. | Disinhibition Altered level of consciousness | Missed by routine diagnostic urine screens. | Similar to those of alcohol/benzodiazepines Anxiety and insomnia Gastrointestinal upset Tremor Feelings of doom Autonomic instability Delirium tremens-like symptoms if severe |
Hallucinogens LSD (AKA Acid, Boomers, yellow sunshines) Morning glory seeds Mescaline (AKA cactus, mesc, peyote) MDA, MDEA Psilocybin (AKA magic mushroom, shrooms) | Physical: mydriasis, tachycardia, hypertension, hyperthermia. Psychiatric: mood lability, anxiety/panic, grandiosity, intensified sensations, depersonalization, derealization, hallucinations, synesthesias, hyperacusis, impaired attention/concentration, amotivation. | Visual hallucinations Synesthesias (blending of senses, e.g., sounds being seen) Intense perceptions Hyperacusis Presence of clear sensorium | No acute withdrawal syndrome. Chronic use: Psychosis Depression Flashbacks up to 30% Parkinsonian symptoms In individuals predisposed with schizophrenia, hallucinogen abuse may lead to early onset of psychosis and relapse of psychotic disorder. | |
Inhalants Gasoline Glue Paint thinners Spray paints AKA laughing gas, poppers, snappers, whippets | Physical: dizziness, blurred vision/diplopia, nystagmus, slurred speech, ataxia, psychomotor retardation. Psychiatric: belligerence, agitation, apatspaired judgment, social and occupational dysfunction. | “Bad trip”— syndrome of anxiety, panic, dysphoria, and paranoia. Can lead to suicidality and suicide attempts. | No acute withdrawal syndrome Chronic use: psychosis, mania, organ damage (e.g., bone marrow, kidney, liver, brain). | |
MDMA “Ecstasy” Adam XTC X Clarity Eve Lover’s speed peace | Physical: sympathetic overload (e.g., dilated pupils, elevated heart rate and blood pressure, arrhythmias), increased tactile sensitivity, tremor, and parkinsonism. When severe, serotonin syndrome and low serum sodium. Psychological: restlessness, increased feeling of connectedness, amotivation, altered perception of time, altered mental status, paranoia, increased libido. | Profound feeling of attachment and connectedness. Altered perception of time. | Withdrawal syndrome includes severe anhedonia, anorexia, amotivation, depressed mood. Physiological dependence uncommon. Chronic use: cognitive deficits. | |
Opioids Heroin (AKA brown sugar, dope, smack, H) Codeine (AKA Captain Cody, Cody) Fentanyl Morphine (AKA M, Miss Emma) Opium | Physical: miosis, slurred speech, drowsiness, staggering gait. Psychological: initial euphoria followed by depression, psychomotor retardation/agitation, impaired functioning, impaired attention and memory. | Constricted pupils Depressed mood Sedation Presence of track marks | Duration of detection in urine: Heroin 36-72 h Morphine 48-72 h Methadone 72 h False positives: Chlorpromazine Poppy seed Dextromethorphan Ofloxacin Rifampin | Signs and symptoms of opioid withdrawal: Physical-flu-like symptoms, nausea, abdominal cramps, vomiting, diarrhea, mydriasis, muscle and bone pain. Psychiatric-affective disorders (especially depression), anxiety, irritability. Symptomatic treatment may include NSAIDs, dicyclomine 10 mg q6h for abdominal cramps, bismuth subsalicylate 30 cc after each loose stool, and clonidine 0.1-0.2 mg p.o. q4-6h (hold for hypotension). |
Phencyclidine PCP AKA Angel dust Peace pill Love boat | Physical: mydriasis, nystagmus (vertical > horizontal), hyperacusis, tachycardia, hypertension, numbness, rigidity, ataxia. Psychiatric: mood instability, aggression, altered perception, disorganization, bizarre behaviors. | Mydriasis Nystagmus (vertical > horizontal) Ataxia Diminished pain sensation Aggression | Duration of detection in urine, 8 d | Symptoms appear after several days of use and include: Depressed mood Intense drug cravings Increased appetite Bruxism Hypersomnia |
Rohypnol (flunitrazepam) Commonly used as a “date rape” drug. | Physical: hypotension, dizziness, visual changes, decreased muscular tension, urinary retention. Psychiatric: decreased anxiety, loss of inhibition, altered mental status, confusion, aggression, anterograde amnesia. | Anterograde amnesia Altered mental status Decreased muscular tension | Withdrawal syndrome: Physical: headache: Tension Muscle pain Paresthesias Increased risk of seizures Photosensitivity Psychiatric: anxiety | |
a May vary widely depending upon amount ingested, compound, physical state of patient, and other factors. |

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