The nurse is administering an antihistamine to a client with nasal allergies.The nurse is aware that antihistamines have which distinct limitation?

Question

Quizplus · Accepted Answer

Antihistamines are most effective when taken prophylactically, meaning they are most useful in preventing an allergic reaction from occurring rather than treating an acute attack. They do not have potent cholinergic side effects, and only block H-1 receptors (not H-2).

The Nurse Is Administering an Antihistamine to a Client with Nasal