Ataxia Telangiectasia Summary Ataxia-telangiectasia (A-T) is a rare, inherited disease. It affects the nervous system, immune system, and other body systems. Symptoms appear in young children, usually before age 5. They include Ataxia – trouble coordinating movements Poor balance Slurred speech Tiny, red spider veins, called telangiectasias, on the skin and eyes Lung infections Delayed physical and sexual development People with A-T have an increased risk of developing diabetes and cancers, especially lymphoma and leukemia. Although it affects the brain, people with A-T usually have normal or high intelligence. A-T has no cure. Treatments might improve some symptoms. They include injections to strengthen the immune system, physical and speech therapy, and high-dose vitamins. NIH: National Institute of Neurological Disorders and Stroke National Institute of Neurological Disorders and Stroke Resources Ataxia – telangiectasia Ataxia Telangiectasia National Institute of Neurological Disorders and Stroke Ataxia Telangiectasia National Cancer Institute Ataxia-Telangiectasia (A-T) National Ataxia Foundation Find a Neurologist American Academy of Neurology National Institute of Neurological Disorders and Stroke National Institute of Neurological Disorders and Stroke Preparing for a Visit with the Neurologist National Ataxia Foundation What Is Ataxia-Telangiectasia? Ataxia-Telangiectasia Children’s Project Clinical Trials ClinicalTrials.gov: Ataxia Telangiectasia National Institutes of Health Genetics Genetics Home Reference: ataxia-telangiectasia National Library of Medicine Journal Articles Ataxia Telangiectasia