Strepsils Plus Anaesthetic Lozenges for painful sore throats and mouth infections. Strepsils Plus Lozenges have been formulated to give effective and rapid relief from painful and inflamed sore throats. Their dual action formula contains a local anaesthetic to numb the throat while the two antibacterial agents help kill the bacteria which can cause sore throats and mouth infections. Each lozenge also contains Sucrose, Glucose and Saccharin. AUST R 50509 Strepsils Lozenges Plus Anaesthetic Lozenges X 36.