What does clarinex (desloratadine) work for?

Seasonal allergies: Clarinex is another form of the antihistamine medicine-claritin. The generic name is loratidine. It helps with allergies, like hay fever. There are many current examples of medications which have become generic, so drug companies try and make an alternative form that they can market with a brand name. If you take claritin-your body converts it into clarinex. Another example is Nexium (esomeprazole) and prilosec.