The following list encompasses notable medicine contamination and adulteration incidents. * 1937 Elixir sulfanilamide incident: S. E. Massengill Company used diethylene glycol as the solvent, it led to the 1938 Federal Food, Drug, and Cosmetic Act * 1982 Chicago Tylenol murders: Tylenol pain-relief capsules were laced with potassium cyanide, leading to seven deaths. * 2007 Panamanian Eduardo Arias discovered that toothpaste sold in his country was labeled as containing diethylene glycol, the same ingredient that had tainted cough syrup and killed 138 Panamanians in 2006. Panamanian officials discovered that the toothpaste had come from China and initiated a global response. Also in May 2007, the same toothpaste was found in some Costa Rican stores. Fast action by the Ministry of Health,