Tired of sneezing, runny nose and itchy eyes? Contraindication for Al legra is hypersensitivity to any drug components at http://buyhydrochlorothiazide.net/l/20211/f e55. For an active person like you, isn't it? There is no significant clinical interaction, if Allegra is co-administered with drugs metabolizing in liver, such as Erythromycin and Ketokonasole.