Don’t suffer needlessly from springtime allergy 
symptoms. Taken once or twice daily, over-the-counter (OTC) products that contain the active ingredient 
loratadine (Claritin) or cetirizine (Zyrtec) help treat runny nose, sneezing, and itchy and watery eyes. These drugs, which may be used in combination 
with OTC pseudoephedrine (Sudafed) to relieve congestion, sometimes cause a dry mouth. ... More