Covonia menthol cough mixture expectorant 300mlCovonia menthol cough mixture provides symptomatic relief of chesty coughs and sore throats. It is an effective medication that helps to relieve:- Congestion and irritation- Mild expectorant to help remove phlegm- Mild expectorant to help remove phlegm and a demulcentLiquorice and Squill belong to a group of medicines known as expectorants. They help loosen phlegm in people with chesty coughs by coughing it up. Liquorice is also a demulcent, which means that it soothes the throat.The other active ingredient is menthol, which helps to relieve congestion and gives a lovely fresh sensation. It also acts to relieve congestion associated with chesty coughs and bronchitis. Covonia menthol cough mixture works without causing drowsiness.