Although some older antihistamines have a relatively slow onset of action, modern agents indicate an efficacy between 1 and 3 hours of administration. For patients who use antihistamines regularly, a short onset of action is relatively unimportant. When antihistamines are used as needed, either because of poor compliance or in accordance with emerging therapeutic guidelines, antihistamines with a short onset of action are preferable.
|Original language||English (US)|
|Number of pages||3|
|Journal||Allergy and Asthma Proceedings|
|State||Published - Mar 1 2004|
ASJC Scopus subject areas
- Immunology and Allergy
- Pulmonary and Respiratory Medicine