Antihistamines, including doxylamine and diphenhydramine, may cause drowsiness. When taking doxylamine or diphenhydramine for ...

Newer antihistamines like Claritin (loratidine) and Zyrtec (cetirizine) don't cause drowsiness but may not be as helpful with allergy cough symptoms. Research continues into how specific ...

As with other first-generation antihistamines, Piriton has a sedative action and may cause drowsiness. Second and third generation treatments such as cetirizine (hydrochloride), loratadine ...

However, you don't need to give up on outdoors workouts ... that landed on your skin and clothes. First generation antihistamines can cause drowsiness First generation antihistamines like Benadryl ...