Contains sucrose, A single dose of this medicine will kill threadworms, However, it may not destroy their eggs, which can cause re-infection and also infect other people, It is therefore strongly recommended that all members of the Family (except pregnant and breast feeding women and children under two) are treated at the same time and mat precautions are taken to prevent re-infection, IF symptoms continue, tell your doctor. In case of re-infection, a second dose can be taken after two weeks, Keep all medicines out of the reach and sight of children.