They have few side effects ... of the newer antihistamines, such as loratadine (Claritin, Alavert), desloratadine (Clarinex), cetirizine (Zyrtec), levocetirizine (Xyzal) and fexofenadine (Allegra ...

They include: First-generation antihistamines, such as brompheniramine and chlorpheniramine Second-generation antihistamines, such as fexofenadine ... to have that side effect and may be helpful ...

Side effects include drowsiness ... The newer second-generation antihistamines, such as cetirizine, fexofenadine, or loratadine, have been extensively studied in clinical trials.

Loratadine or fexofenadine may be used if patient sedation or anticholinergic side effects are of concern (Worobec, 2000). H2 antihistamines, such as ranitidine, cimetidine, or famotidine ...