Your pill is 180mg Fexofenadine HCl Tablet, generic for Allegra.
FEXOFENADINE (Allegra?‚?®) is an antihistamine. It reduces allergy symptoms of hay fever (seasonal allergic rhinitis), and may reduce itching of the skin in those people with chronic itchy skin rashes.
What I did to find more info out about the 7253-93 pill (I already knew what it was) was to do a Google search on 7253. The first item that came up was http://www.drugs.com/imprints/7253-93-9553.html – this website, and it had all the info one could want.