Is Hydroxyzine A First Generation Antihistamine?

Is Hydroxyzine A First Generation Antihistamine? Hydroxyzine is a first generation antihistamine that is used largely for symptoms of itching, nausea, anxiety and tension. What are the first generation antihistamines? Brompheniramine (brand names include Children’s Dimetapp Cold) Chlorpheniramine (brand names include Chlor-Trimeton, Actifed Cold) Dimenhydrinate (brand names include Dramamine) Diphenhydramine (brand names include Benadryl, Nytol,