Covonia Mucus Cough Oral Solution 300ml Covonia Chesty Cough Oral Solution contains liquorice and squill which belong to a group of medicines known as expectorants. They help remove phlegm in people with chesty coughs. Menthol helps relieve congestion in chesty coughs and bronchitis.What the medicine looks likeCovonia mucus cough oral solution is a brown cloudy liquid which smells of menthol and aniseed.It is supplied in 50ml, 150ml, 180ml and 300ml bottles.Covonia is a registered trade mark.Levomenthol, squill tincture liquorice liquid extractNon drowsyEffective relief of troublesome mucus coughsRelieves the symptoms of chesty coughs and sore throatsPack size: 300ML