Ataxia can develop over time or come on suddenly. Ataxia is a sign of several neurological disorders and can cause:  Poor coordination Walking unsteadily or with the feet set wide apart Poor balance Difficulty with fine motor tasks, such as eating, writing or buttoning a shirt Change in speech Involuntary back-and-forth eye movements (nystagmus) Difficulty swallowing 
ataxia can develop time come suddenly  ataxia sign neurological disorders can cause:  poor coordination walking unsteadily feet set wide poor balance difficulty fine motor tasks  eating  writing buttoning shirt change speech involuntary back-and-forth eye movements (nystagmus) difficulty swallowing 
ataxia