It is possible that the main title of the report Down Syndrome is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.
Experts don't know what causes Reye syndrome. It often happens in children who have recently had chickenpox or the flu and who took medicines that contain aspirin.
Reye syndrome cannot spread from child to child.
What are the symptoms?
Reye syndrome often starts when a child is recovering from a viral illness, such as the flu or chickenpox. Symptoms usually appear 3 to 7 days after the viral illness starts. They may develop over several hours to a day or two.