Difflam Sore Throat Lozenges Sugar Free Honey & Lemon is antibacterial and anti-inflammatory for fast relief of sore throat or mouth.Difflam lozenges have an anti-inflammatory action to provide effective relief of the symptoms of sore throats and mouths. Difflam lozenges also contain an anti-bacterial agent. Difflam lozenges provide temporary relief from the symptoms of sore throats, tonsillitis, pharyngitis, mouth ulcers, local pain following mouth or throat surgery and pain following dental procedures.