The nurse taking a medication history of an older adult client learns that the client takes diphenhydramine (Benadryl)two to three times weekly.The nurse should next assess the client to determine whether it causes which of the following adverse effects?

Question

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Diphenhydramine is an antihistamine that can cause sedation and confusion, particularly in older adults. It can also cause other adverse effects such as dry mouth, blurred vision, urinary retention, and constipation. However, confusion is the most concerning adverse effect as it can increase the risk of falls, accidents, and medication errors. The nurse should assess the client's cognitive function and monitor for signs of confusion or other adverse effects if diphenhydramine is continued or if the client is considering taking it more frequently.

The Nurse Taking a Medication History of an Older Adult