Strepsils Plus lozenges contain an effective anaesthetic to numb the pain associated with a medium to more troublesome sore throat. The dual action formulation delivers rapid sore throat relief, combining a local anaesthetic to numb the throat and two antibacterial agents to help kill the bacteria which can cause sore throats and mouth infections. Instructions Dissolve one lozenge slowly in the mouth every 2 hours. No more than 8 lozenges to be sucked in any 24-hour period. Do not exceed the stated dose. If symptoms persist for more than two days accompanied by fever, headache or nausea consult your doctor.