Behavior - unusual or strange

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Central nervous system

Acting strangely

All unusual behaviors or personality changes should be assessed by a doctor. The following is information on treatments sometimes used in certain situations, but is not intended to replace evaluation by a doctor.

For dementia or unusual behavior that appears to be caused by a brain tumor, head injury, stroke, infection, fever, or pneumonia, seek immediate medical attention.

For delirium caused by anxiety and emotional problems, reassurance and loving support are recommended. Talk therapy and medications may also be useful if the behavior persists.

For delirium or dementia caused by malnutrition, a proper diet and vitamin supplements are recommended after medical evaluation.

For delirium caused by medication, consult your doctor about adjusting dosage, changing medications, or discontinuing them.

For delirium or dementia caused by alcohol in excess, complete abstinence is required.

For delirium related to illicit drug use, stop taking the offending substance and seek a doctor's advice, since withdrawal from certain illicit drugs can be very dangerous.

For delirium caused by emotional problems, psychological counseling is recommended.

For delirium caused by hypothermia, adequate heat and warmth is required. Re-warming should be carefully monitored.

Delirium that follows surgery is usually temporary, but prolonged use of sedatives and painkillers should be avoided.

For dementia caused by Alzheimer's disease, possible new treatments should be discussed with the doctor. Sympathetic care, occupational therapy, and family support are needed.

For dementia caused by Huntington's chorea, supportive care should be provided.

For delirium resulting from environmental causes, a concerted effort should be made to modify the environment or change environments.

For delirium caused by low thyroid function, see your health care provider about thyroid hormone replacement treatment.

Contact your regular health care provider or a neurologist if: