Potter's Mucus Cough Pastilles effectively relieve the symptoms of Catarrh, Coughs and Colds. These pastilles have expectorant properties which help to decongest and unblock the respiratory system helping to soothe a mucus cough with a warming feeling. Potter's Mucus Cough Pastilles contain the active ingredients menthol, pumilio pine oil and eucalyptus oil to effectively relieve the symptoms of catarrh, coughs and colds.