Gluten free. Compare to Allegra Allergy 24 hr active ingredient (This product is not manufactured or distributed by Chattem, Inc., a Sanofi Company, distributor of Allegra Allergy 24 hr). Fexofenadine hydrochloride tablets, 180 mg (antihistamine). 24 hr. Allergy. Indoor/outdoor allergy relief: sneezing; runny nose; itchy, watery eyes; itchy nose or throat. 100% quality guaranteed. Like it or let us make it right. That's our quality promise. Questions or comments? 1-855-423-2630. Made in Czech Republic. Other information: Do not use if printed blister unit is broken or torn. Store between 20-25 degrees C (68-77 degrees F). Protect from excessive moisture. This product meets the requirements of USP Dissolution Test 3.