Covonia Bronchial Balsam is a cough mixture specially formulated to provide powerful relief from dry unproductive coughs common colds and bronchitis. This effective cough syrup contains the active ingredient Dextromethorphan Hydrobromide which actively inhibits the need to cough for those suffering from dry and unproductive coughs. Alongside this it provides pain relief from dry sore throats which can be exacerbated by coughing. It contains menthol to help reduce irritation and alleviate the cold and flu symptoms such as catarrh. It works to unblock stuffed noses and reduce congestion around the throat and chest. Covonia Bronchial Balsam works instantly to help soothe calm and relieve dry unproductive coughs.