Hydroxyzine can interact with central nervous system depressants, increasing the risk of extreme sedation. Hydroxyzine may cause a heart condition called QT prolongation, which can be more likely if ...
Verywell Health on MSN
Benadryl vs. Hydroxyzine: How Do They Compare for Allergy Relief?
Hydroxyzine (whose brand names include Vistaril) and Benadryl (the brand name of diphenhydramine) are both first-generation antihistamines and share many similarities, including sedating side effects.
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