A client diagnosed with allergic rhinitis is prescribed an antihistamine to assist with symptoms. Which of the following medications below would be considered a second-generation antihistamine?

Choice A reason: Cetirizine (Zyrtec) is a second-generation antihistamine. Second-generation antihistamines are known for causing less sedation compared to first-generation antihistamines. They are effective in reducing allergy symptoms such as sneezing, itching, and runny nose without significantly impacting alertness. Cetirizine is commonly used for treating allergic rhinitis and other allergy-related conditions. Choice B reason: Lanoxin (Digoxin) is a cardiac glycoside used to treat heart conditions such as atrial fibrillation and heart failure. It does not have antihistamine properties and is not used for treating allergic rhinitis. Therefore, it is irrelevant in the context of antihistamine medications. Choice C reason: Captopril (Capoten) is an ACE inhibitor used primarily for managing hypertension and heart failure. It does not have any antihistamine effects and is not used to treat allergic rhinitis. Captopril is not relevant in this context. Choice D reason: Diphenhydramine (Benadryl) is a first-generation antihistamine. First-generation antihistamines are effective in treating allergy symptoms but are known for causing significant drowsiness and sedation. While effective, diphenhydramine does not fit the criteria of a second-generation antihistamine, which has fewer sedative effects.