These warm flavoured pastilles include double action properties that help relieve the symptoms of cold, flu and sore throat. These strong cough lozenges are perfect to carry around for those on the go! Covonia Double Action Strong Original Cough Lozenges have two coloured sides, each one formulated to provide a different action. The brown side contains warming flavour, which helps to relieve dryness and soreness in the mouth and throat. The other side is clear, and contains ingredients which help to clear your nose and throat. Covonia Double Action Strong Original Cough Lozenges are non-drowsy, gluten free and suitable for vegetarians.