Final answer:
An overdose of aspirin in a preschooler can lead to Reye syndrome, which causes swelling in the liver and brain. Symptoms of Reye syndrome include vomiting, irritability, confusion, seizures, and loss of consciousness.
Step-by-step explanation:
An overdose of aspirin in a preschooler can lead to a condition called Reye syndrome, which can cause swelling in the liver and brain. Symptoms of Reye syndrome can include persistent vomiting, irritability, confusion, lethargy, seizures, and loss of consciousness.
It is important to note that Reye syndrome is very rare and can often be prevented by avoiding the use of aspirin or products containing aspirin in children younger than 19 years old.