Terfenadine Metabolites and Their Optically Pure Isomers for Treating Allergic Disorders

摘要

A pharmaceutical composition comprising a compound of formula (I): wherein Z is COOH, COOCH3 or CH2OH, or a pharmaceutically acceptable salt thereof, for use in an anti-histaminic treatment which does not induce any significant cardiac arrhythmia, comprising administering a therapeutically effective amount of a compound of formula (I) to a human patient.