This allergy season fight back with Allegra Allergy. If you haven’t tried it and would like to you can receive a FREE sample by completing this online form. Non-drowsy Allegra starts to work in 1 hour and provides relief for 24. Stop suffering and start living! Limit of one sample per household and this offer is valid in the contiguous U.S. only. Expires May 17, 2015 or while supplies last.