The Daughter of an 89-Year-Old Resident in a Long-Term Care

The daughter of an 89-year-old resident in a long-term care facility asks if she may give her father an over-the-counter (OTC) antihistamine that she uses for seasonal allergy.The nurse's most appropriate response would be:

A) "Yes. OTCs are mild and very helpful."
B) "No. Many antihistamines cause confusion in the older adult."
C) "Yes. The drug might energize him so he won't be so drowsy."
D) "No. Allergic symptoms should be allowed to run their course."