Overview Safety Study of Levocetirizine and Fexofenadine Status: Completed Trial end date: 2012-02-01 Target enrollment: Participant gender: Summary This Study is to comparison of Efficacy and Consistency of Action of Levocetirizine 5 mg once daily with Fexofenadine 60 mg twice daily in the histamine induced wheal, flare and itch Response. Phase: Phase 4 Details Lead Sponsor: Charite University, Berlin, GermanyTreatments: CetirizineFexofenadineLevocetirizineTerfenadine