O mne
Allegra, Zyrtec, Claritin, and Clarinex are non-sedating antihistamines that relieve symptoms like sneezing, runny nose, and itchy eyes. Promethazine is a first-generation antihistamine effective for allergies and motion sickness but can cause drowsiness. Astelin is an intranasal spray for allergic rhinitis, while Singulair helps manage allergic asthma and rhiniti
