Which recent history is a risk factor for developing Reye syndrome?

Reye syndrome is a serious condition that primarily affects children and teenagers, often following a viral infection, particularly influenza or chickenpox. One of the primary risk factors for developing Reye syndrome is the use of aspirin or aspirin-containing products during or after a viral illness.

A recent episode of gastroenteritis fits within the context of a viral infection, as gastroenteritis can often be caused by viruses like rotavirus or norovirus. If a child has experienced gastroenteritis, particularly if there was a concurrent use of aspirin to manage symptoms (such as fever or discomfort), this can elevate the risk of developing Reye syndrome.

Other conditions listed, such as bacterial otitis media, cystitis, or meningitis, are not typically associated with the same risk factors for Reye syndrome as viral infections are. Therefore, the connection between a recent gastroenteritis episode and potential Reye syndrome development underscores the importance of understanding the implications of viral illnesses and the medications used to treat symptoms during those illnesses.