Which finding may indicate an adverse effect of amantadine hydrochloride in a client with Parkinson's disease?

Amantadine hydrochloride is an antiviral medication that is also used to treat symptoms of Parkinson's disease by increasing dopamine release and preventing its reuptake. When assessing for adverse effects of this medication, certain findings may indicate complications or undesirable reactions.

Bilateral lung wheezes can signify a respiratory issue, such as bronchospasm or an allergic reaction, which may occur in patients taking amantadine. This adverse effect is significant as it suggests a potential interaction with the respiratory system, requiring further evaluation and possibly adjustment of the medication. Identifying such respiratory symptoms is crucial, as it may lead to serious complications if not addressed promptly.

Although other symptoms associated with amantadine's use, such as insomnia, rigidity, akinesia, and orthostatic hypotension, can occur, they reflect common side effects rather than direct adverse respiratory effects. Identifying bilateral lung wheezes highlights a more serious and less frequent reaction that requires immediate attention and consideration for modification of therapy.