Desloratadine vs. Loratadine — What's the Difference?

Desloratadine (trade name Clarinex and Aerius) is a tricyclic H1 antagonist that is used to treat allergies. It is an active metabolite of loratadine.

Loratadine, sold under the brand name Claritin among others, is a medication used to treat allergies. This includes allergic rhinitis (hay fever) and hives.

(pharmaceutical drug) An active metabolite of loratadine, used to treat allergies.

A nonsedating antihistamine, C22H23ClN2O2, used to treat allergic rhinitis and other allergic disorders.

(pharmacology) An antihistamine drug used to treat allergies.