There is a brutal form of presentation that forces you to make differential diagnosis with Tetanus.
There is an infantile form that affects a lower limb (stiff leg)
And the most common, which is that of a patient who begins to notice loss of elasticity in the sport or work activity. Pain and/or stiffness as he tries to overcome a effort. Spasms provoked by the slightest contact, sound and emotional experiences, The patient is blocked in the presence of a well-known friend or close friend, Trouble down the curb of a street and cross it. The patient tends to cross between the cars instead of the step enabled with traffic lights, to avoid being obsrvado by the drivers. The falls are mainly due to the inability to stay on a foot, The falls are accompanied by a noise glottic and in hyperextension. Are frequent falls with stitches in the chin.