II. Risk factors: Medication induced Altered Level of Consciousness

  1. Age over 60 years old

III. Medications: Neuro-Psychopharmacologic Agents

V. Medications: Drugs of Abuse and Toxins

VI. Medications: CardioPulmonary agents

VII. Medications: Infectious Disease Agents

  1. Cephalosporin and Beta lactam antibiotics
    1. Confusion
  2. Fluoroquinolones
    1. Neurologic stimulation
    2. Confusion
  3. Acyclovir
    1. Confusion
  4. Mefloquine
    1. Confusion
    2. Psychosis
  5. Trimethoprim-Sulfamethoxazole (Bactrim, Septra)
    1. Delirium
    2. Psychosis

VIII. Medications: Antihistamines

  1. See Anticholinergic Medications
  2. See Anticholinergic Toxicity
  3. H1 blocker
    1. Effects
      1. Decreased attention
      2. Decreased Concentration
    2. High risk: Sedating Antihistamine
    3. Low risk: Fexofenadine, Loratadine
  4. H2 Blocker (esp. Cimetidine)
    1. Delirium or confusion

IX. Medications: Miscellaneous

  1. Corticosteroids (Prednisone at doses above 60 mg)
    1. Confusion of Delirium
    2. Memory Impairment
  2. Baclofen
    1. Psychosis
  3. Cyclobenzaprine (Flexeril)
    1. Delirium or confusion
  4. Cyclosporine
    1. Confusion
  5. Fenfluramine
    1. Confusion
  6. Interferon alpha
    1. Confusion
    2. Memory Impairment
  7. Omeprazole (Prilosec)
    1. Confusion
    2. Agitation
    3. Memory Impairment

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