There is no cure for hereditary ataxias. If the ataxia is caused by another condition, the underlying condition has to be treated first. For example, ataxia caused by a metabolic disorder may be treated with medications and a controlled diet. Vitamin deficiency is treated with vitamin therapy. A variety of drugs may be used to treat gait and swallowing disorders. Physical therapy can strengthen muscles, while special devices or appliances can assist in walking and other activities of daily life.
This answer is based on source information from the National Institute of Neurological Disorders and Stroke.