Pharmacological and clinical overview of cloperastine in treatment of cough
Maria Antonietta Catania1, Salvatore Cuzzocrea1,2
1Department of Clinical and Experimental Medicine and Pharmacology, School of Medicine, University of Messina; 2IRCCS Centro Neurolesi “Bonino-Pulejo”, Messina, Italy
Abstract: Cough constitutes an impressive expression of the normal defense mechanisms of the respiratory system. Productive cough associated with catarrh is an important protective system for the lung because it favors the upward movement of secretions and foreign bodies to the larynx and mouth. Cough may also appear without bronchial secretions, as dry cough, which may be persistent when inflammatory disease is chronic or when, in the early stages of respiratory disease, bronchial secretions are not yet fluid. Sometimes bronchitis-induced cough does not significantly affect quality of life, whilst in other cases cough may become so intense as to impair daily activities severely, resulting in permanent disability. This type of cough is one of the most frequent reasons for seeking medical advice. The use of cough suppressants may be appropriate for reaching a precise diagnosis and when dry cough is persistent. Cloperastine has been investigated in various types of cough and, unlike codeine, has been shown to possess dual activity. It also acts as a mild bronchorelaxant and has antihistaminic activity, without acting on the central nervous system or the respiratory center. Here we review the preclinical and clinical evidence of the efficacy and tolerability of cloperastine.
Keywords: cough, cloperastine, inflammation, bronchitis
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