Betadine Sore Throat Lozenges effectively soothes sore throats and helps kill bacteria which can cause sore throat and mouth infections. Specially formulated to help relieve the discomfort caused by a sore throat, each Betadine sore throat lozenge contains two antibacterial agents which work to kill the bacteria which can cause sore throat and minor mouth infections. It is Iodine free, suitable for adults and children from 6 years onwards.