This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.
|Medical Terms||Other Names||
|80%-99% of people have these symptoms|
|30%-79% of people have these symptoms|
|Abnormality of the
Abnormality of cognition
Mental impairment[ more ]
Mental disorientation[ more ]
Decreased muscle tone
Low muscle tone[ more ]
|Sensorineural hearing impairment||0000407|
Loss of vision
Vision loss[ more ]
|5%-29% of people have these symptoms|
|Abnormality of eye movement||
Abnormal eye movement
Abnormal eye movements
Eye movement abnormalities
Eye movement issue[ more ]
Difficulty articulating speech
|Nausea and vomiting||0002017|
Ringing in ears
Ringing in the ears[ more ]
|Upper motor neuron dysfunction||0002493|
Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.
Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
National DNA Day Reddit "Ask Me Anything" (AMA) Series
April 11, 2018
Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know. Submit a new question
My mother-in-law was just diagnosed with this. Is this condition genetic? See answer
I would like to learn more about Susac Syndrome. I believe that a family friend may have this condition. I would like to know what test or battery of tests needs to be performed in order to make a conclusive diagnosis of this syndrome or be able to rule it out. I would also like to know what medical facility closest to Raleigh NC has diagnosed and treated this syndrome. See answer