Symptoms can develop suddenly or come on progressively over time. The type and onset of symptoms varies with the type of ataxia.
Common symptoms include:
Problems with balance and coordination, causing unsteadiness, clumsiness and frequent stumbles or falls
Difficulty walking and increasing weakness in the legs
Difficulty with fine motor skills, causing problems with writing, eating or buttoning a shirt
Slurred, slow and/or unclear speech
Problems with vision, such as slow or involuntary eye movements, and partial or total loss of vision
Difficulty swallowing
There are numerous other symptoms that can affect people with ataxia.