Strepsils Plus Anaesthetic Lozenges are the only lozenges containing Lidocaine, a powerful local anaesthetic which rapidly numbs the pain and a combination of 2 antiseptics (Amylmetacresol 0.6mg 2,4-Dichlorobenzyl alcohol 1.2mg) to help kill the bacteria which can cause sore throats and mouth infections. They are used to relieve sore throats in adults and children over the age of 12 years.