Pharmacology of non sedating antihistamines
However, levocetirizine may cause somnolence in susceptible individuals, whereas fexofenadine has a relatively short duration of action and may be required to be given twice daily for all round daily protection.
Although desloratadine is less potent, it has the advantages of rarely causing somnolence and having a long duration of action.
The authors make no claims of the accuracy of the information contained herein; and these suggested doses are not a substitute for clinical judgment. nor any other party involved in the preparation of this program shall be liable for any special, consequential, or exemplary damages resulting in whole or part from any user's use of or reliance upon this material.PLEASE READ THE DISCLAIMER CAREFULLY BEFORE ACCESSING OR USING THIS SITE.BY ACCESSING OR USING THIS SITE, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS SET FORTH IN THE DISCLAIMER.Similarly, there are sympatholytic poisons which neutralize or reverse the effects of epinephrine.It seemed possible to me, therefore, that some substance might exist which exerts a specific antagonism toward histamine." It was against this background that Bovet, who was looking for antagonists of acetylcholine, asked his student, Anne-Marie Staub, to test some of these compounds against histamine.