Pin worms, Lime-water injection for

"A very simple remedy is an injection of a teacupful of lime water once a day, preferably in the morning, as the worms are usually lodged in the rectum and this injection will bring them away, giving the child relief at once."

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter