Vomiting, Mustard Plaster to Stop

"Plaster of mustard on pit of stomach." Be very careful not to allow the plaster to remain on too long, as it will blister, and this would be worse to contend with than the vomiting.

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