Christie Clinic - Medicine for Your Life

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Confusion

Confusion is the inability to think with your usual speed or clarity, including feeling disoriented and having difficulty paying attention, remembering, and making decisions.

  • Alternative Names

    Disorientation; Thinking - unclear; Thoughts - cloudy

  • Considerations

    Confusion may come on quickly or slowly over time, depending on the cause. Many times, confusion is temporary. Other times it is permanent and not curable.

    Confusion is more common in the elderly, and often occurs during a hospital stay.

    Some confused people may act aggressively.

  • Common Causes
  • Home Care

    A good way to find out if someone is confused is to ask the person his or her name, age, and the date. If they are unsure or answer incorrectly, they are confused.

    A confused person should not be left alone. For safety, the person may need physical restraints.

    To help a confused person:

    • Always introduce yourself, no matter how well the person once knew you.
    • Often remind the person of his or her location.
    • Place a calendar and clock near the person.
    • Talk about current events and plans for the day.
    • Try to keep the surroundings calm, quiet, and peaceful.

    For sudden confusion due to low blood sugar (for example, from diabetes medication), the person should drink a sweet drink or eat a sweet snack. If the confusion lasts longer than 10 minutes, call the doctor.

  • Call your health care provider if

    Call 911 if:

    • Confusion has come on suddenly or there are other symptoms such as:
      • Cold or clammy skin
      • Dizziness or feeling faint
      • Fast pulse
      • Fever
      • Headache
      • Slow or rapid breathing
      • Uncontrolled shivering
    • Confusion has come on suddenly in someone with diabetes.
    • Confusion came on after a head injury.
    • The person becomes unconscious at any time.

    If you have been experiencing confusion, call for an appointment with your doctor.

  • What to expect at your health care provider's office

    The doctor will do a physical examination and ask questions such as:

    • Does the person get days and nights mixed up? Is he or she awake during the usual sleep time?
    • Does the person have trouble recognizing people?
    • Does the person know where he or she is?
    • Does he or she know the date and time?
    • Can the person answer questions correctly?
    • Is the person always confused?
    • Are there many episodes of confusion?
    • Is the confusion quickly getting worse?
    • Does the confusion come and go?
    • Has there been any recent illness?
    • Has there been a recent head injury?
    • Is the person diabetic?
    • Does the person have COPD, chronic bronchitis, or a similar lung disorder?
    • What medications is the person taking?
    • Has there been any exposure to other drugs or alcohol?

    Tests may include:

  • Prevention
    • Don't drink too much alcohol.
    • Eat a balanced diet with plenty of vitamins and minerals.
    • Get enough sleep.
    • Keep careful control of your blood sugar if you have diabetes.
    • Quit smoking, which puts you at greater risk for lung diseases.
  • References

    Leclerc S, Lassonde M, Delaney J, et al. Recommendations for grading of concussion in athletes. Sports Med. 2001;31:629-636.

    Bazakis AM, Kunzler C. Altered mental status due to metabolic or endocrine disorders. Emer Med Clinics of North America. 2005;23(3):901-908.

    Biem J. Out of the cold: management of hypothermia and frostbite. CMAJ. 2003;168(3):305-311.

Review Date: 2/13/2008

Reviewed By: Luc Jasmin, MD, PhD, Departments of Anatomy & Neurological Surgery, University of California, San Francisco, CA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- 2014 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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