Final answer:
Aspirin can increase the risk of Reye Syndrome in children with viral infections.
Step-by-step explanation:
The nurse should identify that aspirin can increase the risk of Reye Syndrome in children who have viral infections. Reye Syndrome is a rare but serious condition that causes swelling in the liver and brain and can be fatal. The use of aspirin during viral infections, especially in children, has been associated with an increased risk of developing Reye Syndrome. Therefore, it is recommended to avoid using aspirin or aspirin-containing products to treat viral illnesses in children younger than 19 years old.