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Altered mental status is a change in how well your brain is working. As a result, you may be confused, be less alert than usual, or act in odd ways. This may include seeing or hearing things that aren't really there (hallucinations).
A mental status change has many possible causes. For example, it may be the result of an infection, an imbalance of chemicals in the body, or a chronic disease such as diabetes or COPD. It can also be caused by things such as a head injury, taking certain medicines, or using alcohol or drugs.
The doctor may do tests to look for the cause. These tests may include urine tests, blood tests, and imaging tests such as a CT scan. Sometimes a clear cause isn't found. But tests can help the doctor rule out a serious cause of your symptoms.
A change in mental status can be scary. But mental status will often return to normal when the cause is treated. So it is important to get any follow-up testing or treatment the doctor has suggested.
The doctor has checked you carefully, but problems can develop later. If you notice any problems or new symptoms, get medical treatment right away.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor or nurse advice line (811 in most provinces and territories) if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Call 911 anytime you think you may need emergency care. For example, call if:
Call your doctor or nurse advice line now or seek immediate medical care if:
Watch closely for changes in your health, and be sure to contact your doctor or nurse advice line if:
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Current as of: February 9, 2022
Author: Healthwise Staff
Medical Review:Adam Husney MD - Family Medicine & Thomas M. Bailey MD - Family Medicine & Martin J. Gabica MD - Family Medicine
Care instructions adapted under license by your healthcare professional. If you have questions about a medical condition or this instruction, always ask your healthcare professional. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
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