<p><span><a href="https://theconversation.com/profiles/dipa-kamdar-1485027">Dipa Kamdar</a>, Associate Professor in Pharmacy Practice, <em><a href="https://theconversation.com/institutions/kingston-university-949">Kingston University</a></em></span></p>
<p>This article is republished from <a href="https://theconversation.com">The Conversation</a> under a Creative Commons license. Read the <a href="https://theconversation.com/not-all-antihistamines-are-the-same-and-some-may-affect-your-brain-more-than-you-think-294819">original article</a>.</p> </div>