Neurosyphilis refers to the infection of the brain and spinal cord by the syphilis bacteria. This can lead to destruction in many areas of the nervous system, causing loss of function of a person's arms or legs, loss of vision, and altered mental abilities. Neurosyphilis can affect many different body systems and may develop over an extended period of time. Symptoms of neurosyphilis usually include:
Personality changes, such as confusion and irritability.