Fexofenadine; Pseudoephedrine|Allegra-D 12 Hour. Clinical Pharmacology. Accessed 6/22/15 from http://www.clinicalpharmacology.com
Allegra D Allergy & Congestion Tablets. Chattem, Inc. Accessed 6/23/15 from https://www.allegra.com/hcp/allegraD.aspx?congestion2