Ataxia describes a lack of muscle control, Balance or coordination of voluntary movements, such as walking or picking up objects. A signs of an underlying pathology of condition, ataxia can affects various movements and create difficulties with speech language, eye movement and swallowing. Persistent ataxia usually results from damage to the part of brain that controls muscle coordination (cerebellum). Many conditions can cause ataxia, including alcohol misuse, certain drugs, stroke, tumor, cerebral palsy, degeneration of brain and multiple sclerosis. Inherited defective genes also can cause the Ataxia. Ataxia can develop over time or come on sudden onset.