General paresis is an impairment of mental function caused by damage to the brain from untreated syphilis.
General paresis is one form of neurosyphilis. Today it is very rare.
The syphilis infection can appear in many different ways and damages many different nerves of the brain. This damage can cause:
General paresis usually begins about 15 - 20 years after the syphilis infection. Risks include syphilis infection and infection with other sexually transmitted diseases, such as gonorrhea (which may hide symptoms of syphilis infection).
Syphilis infections are passed through sexual contact with an infected person, but may also be transmitted by nonsexual contact.
Beck BJ. Mental disorders due to a general medical condition. In: Stern TA, Rosenbaum JF, Fava M, Biederman J, Rauch SL, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 1st ed. Philadelphia, Pa: Mosby Elsevier; 2008:chap 21.
Verma A. Infections of the nervous system. In: Bradley WG, Daroff RB, Fenichel GM, Jankovic J, eds. Neurology in Clinical Practice. 5th ed. Philadelphia, Pa: Butterworth-Heinemann; 2008:chap 57.
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