From Longman Dictionary of Contemporary Englishcough mixtureˈcough ˌmixture (also cough syrup, cough medicine) noun [uncountable]  MDa thick, usually sweet, liquid containing medicine that helps you to stop coughing
                                                    
                                                Examples from the Corpus
cough mixture• He had taken a bottle of cough mixture with him but it hadn't helped much. 
