Which first-generation sedating antihistamines are used in the treatment of acute urticaria (hives), and how should patients taken them be advised?

Updated: Mar 21, 2018
  • Author: Henry K Wong, MD, PhD; Chief Editor: Michael A Kaliner, MD  more...
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Answer

Any patient who is taking a medication that has potential sedative effects should be cautioned about driving and operating heavy machinery. Commonly used first-generation agents include diphenhydramine, hydroxyzine, chlorpheniramine, and cyproheptadine.


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