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Reye's syndrome, also known as Reye syndrome, is a rare but serious condition that causes swelling in the liver and brain. Reye's syndrome can occur at any age but usually affects children and teenagers after a viral infection, most commonly the flu or chickenpox.
Symptoms such as confusion, seizures and loss of consciousness need emergency treatment. Early diagnosis and treatment of Reye's syndrome can save a child's life.
Aspirin has been linked with Reye's syndrome, so use cautio...
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In Reye's syndrome, a child's blood sugar usually drops while levels of ammonia and acidity in the blood rises. The liver also may swell, and fats may build up. Swelling may occur in the brain. This can cause seizures, convulsions or loss of consciousness.
The symptoms of Reye's syndrome usually start about 3 to 5 days after the onset of a viral infection. This may be the flu, known as influenza, or chickenpox. Or Reye's syndrome may develop after an upper respiratory infection such as a col...
The use of aspirin during a viral illness has most commonly been linked to Reye's syndrome. But the exact cause of Reye's syndrome is unknown. Several factors may play a role.
In some cases, the symptoms of Reye's syndrome may be caused by another health condition such as an underlying metabolic disorder. This can occur even without the use of aspirin.
The most frequent of these rare disorders is medium-chain acyl-CoA dehydrogenase (MCAD) deficiency. MCAD deficiency is a fatty acid oxidation disorder. Fatty acid oxidation disord...
Reye's syndrome is usually treated in the hospital. Severe cases may be treated in the intensive care unit. The hospital staff will closely monitor your child's blood pressure and other vital signs. Specific treatment may include:
Use caution when giving aspirin to children or teenagers. Though aspirin is approved for use in children older than age 3, children and teenagers recovering from chickenpox or flu-like symptoms should never take aspirin. This includes plain aspirin and medicines that contain aspirin.
Some hospitals and medical facilities screen newborns for fatty acid oxidation disorders to determine which children are at greater risk of developing Reye's syndrome. Children with known fatty acid oxidation disorders should not take aspi...
For informational purposes only and not a substitute for professional medical advice, diagnosis, or treatment.
© Mayo Clinic
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