Strepsils menthol lozenges contains a combination of two effective antiseptics (2,4-dichlorobenzyl alcohol 1.2mg, Amylmetacresol 0.6 mg) to relieve the discomfort of sore throats in the soothing menthol flavor.Strepsils Lozenges Your First Aid for Sore Throat.Powerful Sore Throat Relief That LastsSore throats can be painful, irritating, and in need of fast relief. Nothing works better to relieve sore throat pain than Strepsils Lozenges. Strepsils lozenges contain dual anti-bacterial action that provides instant and long lasting sore throat relief.