Aclidinium or any of its stereoisomers or mixture of stereoisomers, or a pharmaceutically acceptable Salt or solvate thereof, for the treatment of Cough. Claim 2: aclidinium to use according to claim 1, wherein the aclidinium is in the form of aclidinium bromide.Claim 3: aclidinium to use according to claim 1 or 2, which is the cough Cough Cough acute, subacute or chronic Cough. Claim 7: aclidinium for use according to any of the preceding Claims, in which aclidinium is in the form of a dry powder formulation suitable for Inhalation.Claim 8: aclidinium for use in a dry powder formulation according to claim 5, which provides a nominal measure of aclidinium equivalent doses from 100 to 1000 micrograms of aclidinium bromide inhalation; preferably 200 or 400 micrograms of ACL bromide Idinio.Claim 1: aclidinium for use according to claim 5 to 8, in which the aclidinium is administered one or more times a day, preferably twice a day.Claim 13: pharmaceutical composition comprising a therapeutically effective amount of aclidinium and one or more other therapeutic agents selected Cough suppressants (antitussives), antihistamines, decongestants, Expectorants, Analgesics, antipyretics, antibi u00f3ti Cos, local anaesthetics, corticosteroids and bronchodilators for use in the treatment of Cough.Aclidinio o cualquiera de sus estereoisómeros o mezcla de estereoisómeros, o una sal farmacéuticamente aceptable o solvato del mismo, para el tratamiento de la tos. Reivindicación 2: Aclidinio para uso según la reivindicación 1, en donde el aclidinio está en forma de bromuro de aclidinio. Reivindicación 3: Aclidinio para uso de acuerdo con la reivindicación 1 ó 2, en el que la tos es tos aguda, tos subaguda o tos crónica. Reivindicación 7: Aclidinio para uso de acuerdo con una cualquiera de las reivindicaciones precedentes, en el que el aclidinio está en forma de una formulación de polvo seco adecuada para inhalación. Reivindicación 8: Aclidinio para uso en una formulación de polvo seco