What are the side effects of older antihistamines?
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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.
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

