Levomentholsquill tinctureliquorice liquid extracteffective relief of troublesome chesty coughsnon drowsychesty coughsexpectorantan oral solution for the symptomatic relief of productive chesty coughs and sore throatsactioncovonia chesty cough mixture mentholated contains liquorice and squill which belong to a group of medicines known as expectorants they help remove phlegm in people with productive chesty c