Stimulant Drugs

• Coffee
  Possible effect: Decreases sleepiness and fatigue.
  Possible physical consequences: Restlessness, agitation, tremors, insomnia, digestive problems
• Snuff, nicotine
  Possible effect: Disinhibition, calm feeling
  Possible physical consequences: Pulmonary and circulatory disorders. Heart disease. Strokes and cancer.
• Amphetamine
  Possible effect: Heightened alert, hyperactivity, loss of appetite, sleeplessness, tachycardia, talkativeness
  Possible physical consequences: Dilated pupils, intense nervousness, permanent alertness, insomnia, chills, anorexia.
• Cocaine
  Possible effect: Excitement, marked disinhibition, hyperactivity, loss of appetite, anxiety, increased blood pressure and heart beats.
  Possible physical consequences: Restlessness, agitation, hypertension, cardio-respiratory disorders, malnutrition, anemia. To damage the liver, kidneys and brain. In pregnancy, defective fetuses

Depressants Drugs

• Alcohol
  Possible effect: Initial euphoria. Disinhibition, decreased stress. Dullness poor coordination, confusion
  Possible physical consequences: Liver and peripheral nerves, slurred speech, unsteady gait, memory loss, sexual impotence, delirium.
• Barbiturates, sedatives
  Possible effect: Central nervous system depression. Tranquility, relaxation.
  Possible physical consequences: Liver and peripheral nerves, slurred speech, unsteady gait, memory loss, sexual impotence, delirium.
• Opium, Heroin, Methadone
  Possible effect: Exaggerated physical sensations and emotional level, anxiety, diminished reason, understanding and memory, psychomotor retardation
  Possible physical consequences: States of general confusion, seizures, hallucinations, muscle spasms, lower blood pressure

Hallucinogenic Drugs

• Marijuana
  Possible effect: Decreases the reaction to stimuli and reduces reflections, temporal and spatial disorientation, hallucinations.
  Possible physical consequences: Reduced sex drive, damage to reproductive functions, toxic psychosis neurological impairment.
• LSD
  Possible effect: Hallucinations, flasback temporal and spatial disorientation.
  Possible physical consequences: Delirium, depersonalization, fear, panic, vision changes arterial hypertension, respiratory problems