What are the side effects of older antihistamines?

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  1. Dr. Larry Chiaramonte
     
    Dr. Larry Chiaramonte answered:
    Some older drugs have their drawbacks; so do new ones for that matter. Older antihistamines, nonprescription Benadryl and Chlor-Trimeton, and prescription Atarax -- hydroxyzine -- cross the brain-blood barrier, for example, which makes you drowsy. 
    Find out more about this book: Asthma Allergies Children: A Parent's Guide
    More Related Answers from Dr. Larry Chiaramonte
    Some older drugs have their drawbacks; so do new ones for that matter. Older antihistamines, nonprescription Benadryl and Chlor-Trimeton, and prescription Atarax -- hydroxyzine -- cross the brain-blood barrier, for example, which makes you... More