It can cause uncontrollable movements, like jerking the hands, arms, etc., and it can cause the person to say things suddenly or even shout things that they would not normally say or shout.
Many nervous disorders can produce symptoms like Tourette's. Extreme stress can resemble Tourette's. Sometimes autism spectrum disorders will result in Tourette's-like characteristics.
Tourette's syndrome or Tourette syndrome is a condition that usually sets in in young childhood and is characterised by tics, all uncontrolled by the person with the condition. Tics may be facial...
Tourette syndrome (TS) is an inherited disorder of the nervous system, characterized by a variable expression of unwanted movements and noises (tics). (Medical Encylopedia)
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