General Discussion

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Symptoms of the disease first appear from 10 to 30 years after infection. Incipient GPI is usually manifested by neurasthenic difficulties, such as fatigue, headaches, insomnia, dizziness, etc. As the disease progresses, mental deterioration and personality changes occur. Typical symptoms include loss of social inhibitions, asocial behavior, gradual impairment of judgment, concentration and short-term memory difficulties, euphoria, mania, depression, or apathy. Subtle shivering, minor defects in speech and Argyll Robertson pupil may become noticeable.

Delusions, common as the illness progresses, tend to be poorly systematized and absurd. They can be grandiose, melancholic, or paranoid. These delusions include ideas of great wealth, immortality, thousands of lovers, unfathomable power, apocalypsis, nihilism, self-guilt, self-blame, or bizarre hypochondriacal complaints. Later, the patient experiences dysarthria, intention tremors, hyperreflexia, myoclonic jerks, confusion, seizures and severe muscular deterioration. Eventually, the paretic dies bedridden, cachectic and completely disoriented, frequently in a state of status epilepticus.

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https://en.wikipedia.org/wiki/General_paresis_of_the_insane