What are the little white pill thats are in the shape of a football and have 4H2 on them called and what are they for

Not medical advice: Pill imprint 4H2 has been identified as Cetirizine hydrochloride 10mg, used in the treatment of hay fever & urticaria. An antihistamine.

Monday, February 06 2012
Source: http://www.drugs.com/imprints/4h2-11140.html