Covonia Double Action Cough Lozenges Berry Blast are dual-action pastilles designed to help relieve the symptoms of cold flu and sore throats. These pain relief cough sweets help to soothe the mouth and throat. The split lozenges have two coloured sides each one formulated to provide a different action. The brown side contains warming berry blast 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 opening the airways and unblocking sinuses so you can breathe more easily. These pastilles are hand-made in Yorkshire to a traditional recipe and contain no gluten and are suitable for vegetarians.