Identify which prompts are related to which medications.

Both Can be used for seasonal allergies: Should be taken early as to block the histamine receptors Cetirizine Has a longer half life Diphenhydramine: Primary side effect is sedation Rationale: • Can be used for seasonal allergies: Both cetirizine and diphenhydramine are H1 receptor antagonists that relieve symptoms of seasonal allergies, including sneezing, runny nose, and itching. They work by blocking histamine effects, reducing inflammation and allergic reactions. Both medications are effective for allergy symptom management. • Has a longer half life: Cetirizine is a second-generation antihistamine with a longer half-life (approximately 8–10 hours) compared with diphenhydramine, allowing for once-daily dosing. Its prolonged duration provides sustained relief from allergic symptoms without frequent dosing. This makes it more convenient for long-term allergy control. • Primary side effect is sedation: Diphenhydramine is a first-generation antihistamine that crosses the blood-brain barrier, causing significant sedation and drowsiness. This sedative effect is a common limiting factor for daytime use. Cetirizine, in contrast, has minimal sedative effects because it is less likely to cross into the central nervous system. • Should be taken early as to block the histamine receptors: Both cetirizine and diphenhydramine are most effective when taken before histamine release or early in the allergic response. Early administration ensures optimal receptor blockade and prevention of severe symptoms. Timely dosing enhances their prophylactic and therapeutic efficacy.