I had the opportunity recently to treat a patient of mine for allergic reaction to flower pollens.  She is a florist and is exposed to flowers constantly and in large quantities.  She has become accustomed to taking a Claritin everyday - "like a vitamin", she said.  After just three treatments for flower pollens she is now able to work in the flower shop all day without taking a single Claritin.  As a matter of fact, she said, "I haven't taken one for three weeks now and I feel great!"