Drinking eau de cologne can be poisonous, because the composition of eau de cologne is mainly based on chemical substances, if you drink it through the gastrointestinal mucous membrane absorption, resulting in the body of various organs and systems of the manifestations of poisoning. The first manifestation of the gastrointestinal tract, abdominal pain, diarrhea, nausea, vomiting and other symptoms. In severe cases, if the vomiting and diarrhea are more severe, leading to an imbalance of water and electrolytes in the body, which will lead to symptoms of poor mental health and general weakness. If the toxin violates the central nervous system, dizziness, headache, nausea, vomiting, lack of mental concentration, uncoordinated arms and legs, etc., and in severe cases, coma or central respiratory depression, leading to death. If the respiratory tract is affected, it leads to laryngeal edema or pulmonary edema, and thus dyspnea may be manifested.