A Pilot Study of Transdermal Application of Diphenhydramine to the Nasal Ala in Patients with Allergic Rhinitis and Asthma
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Background: To date, topical allergic rhinitis drugs must be applied intranasally. We studied the efficacy, safety, and impact on co-existing asthma symptoms of transdermal delivery of diphenhydramine through the nasal ala. ... ...
