I. Causes: Altered CNS Neurotransmitters

  1. Antidepressant Medications
    1. Tricyclic Antidepressants
    2. Monoamine Oxidase Inhibitors
    3. Selective Serotonin Reuptake Inhibitors (SSRI)
  2. Centrally acting Antihypertensive Medications
    1. Beta Blockers
    2. Rauwolfia alkaloids
    3. Alpha Adrenergic Agonists (e.g. Clonidine)
  3. Antiparkinsonian Medications
    1. Levodopa
    2. Selegiline

II. Causes: Chemical Dependency: Drug Withdrawal

  1. Alcohol Abuse with withdrawal
  2. Barbiturate Abuse with withdrawal
  3. Benzodiazepine Abuse with withdrawal

III. Causes: Miscellaneous medications

  1. Flutamide
  2. Procarbazine
  3. Ketamine
  4. Short-acting Barbiturates

Images: Related links to external sites (from Google)