Covonia mucus cough oral solution is an effective relief of troublesome mucus coughs. Suitable for adults, the elderly and children over 12 years. Non drowsy formula. Always READ THE LABEL. Covonia Mucus Cough Oral Solution Brings relief for the symptoms of chesty coughs, with special expectorants to help remove phlegm and mucus. Suitable for vegetarians, vegans and coeliacs. Free from nuts, artificial colours and artificial flavours.