Potters sugar free pastilles are sugar free and have been formulated to bring effective relief of the symptoms of bronchial catarrh coughs and colds the active ingredients have decongestant and expectorant properties that unblock properties the respiratory system relieve the symptoms of bronchitis and sinusitis and help soothe a coughas an alternative doctors can also prescribe medication that can assist with flu please visit our online doctor service to proceed with an influenza consult