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Symptoms
By Mayo Clinic staffCreutzfeldt-Jakob disease is marked by rapid mental deterioration, usually within a few months. Initial signs and symptoms of CJD typically include:
- Personality changes
- Anxiety
- Depression
- Memory loss
- Impaired thinking
- Blurred vision
- Insomnia
- Difficulty speaking
- Difficulty swallowing
- Sudden jerky movements
As the disease progresses, mental symptoms worsen. Most people eventually lapse into a coma. Heart failure, respiratory failure, pneumonia or other infections are generally the cause of death. The disease usually runs its course in about seven months, although a few people may live up to one or two years after diagnosis.
In people with the rarer vCJD, psychiatric symptoms may be more prominent in the beginning, with dementia — the loss of the ability to think, reason and remember — developing later in the course of the illness. In addition, this variant affects people at a younger age than classic CJD does, and appears to have a slightly longer duration — 12 to 14 months.
- Creutzfeldt-Jakob disease and other prion diseases. Creutzfeldt-Jakob Disease Foundation. http://www.cjdfoundation.org/documents/aboutcjd.pdf. Accessed March 24, 2010.
- Creutzfeldt-Jakob disease fact sheet. National Institute of Neurological Disorders and Stroke. http://www.ninds.nih.gov/disorders/cjd/detail_cjd.htm. Accessed March 24, 2010.
- Brown HG, et al. Creutzfeldt-Jakob disease. http://www.uptodate.com. Accessed March 24, 2010.
- Brown HG, et al. Variant Creutzfeldt-Jakob disease. http://www.uptodate.com. Accessed March 25, 2010.
- vCJD (variant Creutzfeldt-Jakob disease). Centers for Disease Control and Prevention. http://www.cdc.gov/ncidod/dvrd/vcjd/factsheet_nvcjd.htm. Accessed March 24, 2010.
- CJD fact sheet. Creuzfeldt-Jakob Disease Foundation Inc. http://www.cjdfoundation.org/. Accessed March 24, 2010.
- vCJD (Variant Creutzfeldt-Jakob disease): Risk for travelers. Centers for Disease Control and Prevention. http://www.cdc.gov/ncidod/dvrd/vcjd/risk_travelers.htm. Accessed March 24, 2010.
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