An Infant Has Allergies and Often Develops a Pruritic Rash

An infant has allergies and often develops a pruritic rash when exposed to allergens. The infant's parents ask the nurse about using a topical antihistamine. What should the nurse tell them?

A) Antihistamines given by this route are not absorbed well in children.
B) Applying an antihistamine to the skin can cause toxicity in this age group.
C) The child will also need oral medication to achieve effective results.
D) Topical medications have fewer side effects than those given by other routes.