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Merck Manual
Professional Version
MEDICAL TOPICS
RESOURCES
DRUG INFO
COMMENTARY
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ABOUT US
MEDICAL TOPICS
RESOURCES
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Special Subjects
Illicit Drugs and Intoxicants
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Overview of Toxicity of Illicit Substances
Terminology
Medical Toxicologist Evaluation or Consultation
Determining level of care
General references
Treatment
Drug Testing
Common drug tests
Samples for drug testing
False results of drug tests
References
Vaping
Ingredients
Reference
Complications
References
Injection Drug Use
Methods and Composition
Methods and composition references
Symptoms and Signs
Diagnosis
Treatment
Treatment reference
Body Packing and Body Stuffing
Symptoms and Signs
Diagnosis
Diagnosis reference
Treatment
Treatment reference
Alcohol Toxicity and Withdrawal
General reference
Pathophysiology
Chronic effects
Special populations
Pathophysiology reference
Symptoms and Signs
Acute effects
Toxicity or overdose
Chronic effects
Withdrawal
Diagnosis
Treatment
Toxicity or overdose
Withdrawal
Treatment reference
Alcohol Use Disorder and Rehabilitation
General reference
Etiology
Genetic factors
Symptoms and Signs
Diagnosis
Screening
Treatment
Maintenance
More Information
Wernicke Encephalopathy
Symptoms and Signs
Diagnosis
Prognosis
Treatment
Korsakoff Psychosis
Symptoms and Signs
Diagnosis
Treatment
Marchiafava-Bignami Disease
Amphetamines
References
Pathophysiology
Symptoms and Signs
Diagnosis
Diagnosis reference
Treatment
Preventing absorption
Enhancing excretion
Mitigating toxicity
Treatment references
Chronic Use
Complications
Tolerance and dependence
Withdrawal
Key Points
Methylenedioxymethamphetamine
References
Pathophysiology
Symptoms and Signs
Symptoms and signs reference
Diagnosis
Diagnosis references
Treatment
Preventing absorption
Enhancing excretion
Mitigating toxicity
Treatment references
Chronic Use
Complications
Tolerance and dependence
Chronic use references
Key Points
Sedatives
Pathophysiology
Chronic effects
Pregnancy
Pathophysiology reference
Symptoms and Signs
Acute toxicity or overdose
Withdrawal
Diagnosis
Treatment
Toxicity or overdose
Withdrawal and detoxification
Treatment reference
More Information
Cannabinoids, Synthetic
Symptoms and Signs
Diagnosis
Treatment
Cathinones
Reference
Pathophysiology
Pathophysiology reference
Symptoms and Signs
Symptoms and signs reference
Diagnosis
Treatment
Chronic Use
Chronic use reference
Key Points
Cocaine
General reference
Pathophysiology
Symptoms and Signs
Diagnosis
Treatment
Preventing absorption
Mitigating toxicity or overdose
Chronic Use
Complications
Tolerance and dependence
Withdrawal
Chronic use reference
Key Points
Benzodiazepines and Barbiturates
Pathophysiology
Symptoms and Signs
Diagnosis
Treatment
Preventing absorption
Enhancing excretion
Mitigating toxicity
Treatment references
Chronic Use
Complications
Tolerance and dependence
Withdrawal
Chronic use reference
Key Points
Gamma Hydroxybutyrate
Pathophysiology
Symptoms and Signs
Diagnosis
Treatment
Preventing absorption
Enhancing excretion
Mitigating toxicity
Chronic Use
Tolerance and Dependence
Long-Term Complications
Withdrawal
Chronic use references
Key Points
Hallucinogens
Pathophysiology
Pathophysiology reference
Symptoms and Signs
Diagnosis
Treatment
Chronic Use
Complications
Tolerance and dependence
Key Points
Ketamine and Phencyclidine
Pathophysiology
Symptoms and Signs
Diagnosis
Treatment
Preventing absorption
Enhancing excretion
Mitigating toxicity
Diagnosis reference
Chronic Use
Complications
Withdrawal
Key Points
Marijuana (Cannabis)
Pathophysiology
Pathophysiology reference
Symptoms and Signs
Symptoms and signs references
Diagnosis
Treatment
Preventing absorption
Enhancing excretion
Mitigating toxicity
Chronic Use
Complications
Tolerance and dependence
Withdrawal
Chronic use references
Key Points
Volatile Solvents
Pathophysiology
Symptoms and Signs
Diagnosis
Treatment
Preventing absorption
Enhancing excretion
Mitigating toxicity
Chronic Use
Complications
Tolerance and dependence
Key Points