Stage 3 – Late persistent infectionChronic neurologic symptoms occur in up to 5% of untreated patients.[17] A polyneuropathy manifested primarily as shooting pains, numbness, and tingling in the hands or feet may develop. A neurologic syndrome called Lyme encephalopathy is associated with subtle cognitive problems such as difficulties with concentration and short term memory. Such patients may also experience profound fatigue.[22] Other problems such as depression and fibromyalgia are no more common in people who have been infected with Lyme than in the general population.[23][22] Chronic encephalomyelitis, which may be progressive, may involve cognitive impairment, weakness in the legs, awkward gait, facial palsy, bladder problems, vertigo, and back pain.
In rare cases, frank psychosis has been attributed to chronic Lyme disease effects, including mis-diagnoses of schizophrenia and bipolar disorder. Panic attack and anxiety can occur, also delusional behavior, including somatoform delusions, sometimes accompanied by a depersonalization or derealization syndrome similar to what was seen in the past in the prodromal or early stages of general paresis.[24][25]
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http://en.wikipedia.org/wiki/Lyme_diseaseYou are right tho. It says this only happens in a small % of cases, but it is not unheard of. In fact this recent case in the news about the guy who went into a church and shot the pastor dead...they are saying he was suffering from this. Who knows if that's actually true, or just his lawyer trying to get him off...but it can happen.
Either way, best to get checked out. I'm sure they can rule Lyme and other things out with some simple blood work.