Why Are Second-Generation Antihistamines Often Preferred to First-Generation Histamines in the Treatment

Multiple Choice

Why are second-generation antihistamines often preferred to first-generation histamines in the treatment of hypersensitivity reactions?

A) Second-generation antihistamines are faster acting than first-generation antihistamines.
B) Second-generation antihistamines are less likely than first-generation antihistamines to cause drowsiness.
C) Second-generation antihistamines are available over the counter, whereas first-generation antihistamines require a prescription.
D) Second-generation antihistamines can be administered either orally or parenterally, whereas first-generation antihistamines can only be given via the oral route.