difference between fexofenadine and fexofenadine hcl
Answers.comÂ® is making the world better one answer at a time. Fexofenadine is an amphoteric which have basicity and acidity action (tertiary amine (aromatic amine) is a weak base while carboxylic acid is weak acid) Fexofenadine HCl is designed to be water soluble.