抄録
Cationic soap have a strong sterilizing action and few side effect in regularly using concentration. And so, it is generally in use for a sterilizer and a disinfectant. High concentrated cationic soap, however, have a strong corrosional action, and some dead cases caused by this disinfectant were reported. We experienced an iatrogenic accident of corrosion of oral mucosa caused by high concentrated benzethonium chloride.
A case report: The patient was a 3 month-old baby. At plastic surgery of lip, we disinfected intraoral mucosa, by mistaken, with 10% benzethonium chloride solution. At postoperative 1st day, the patient had a fever of from 37.8° to 38.5°C, and his tongue was swelling and per os was a little. At 3rd day, it was found that widespread oral membrane were errosive and/or necrotic; hard and soft palate, upper alveoler and lower molar part, and lower part of left side tongue. His fever was at 38°C leveled, activity was poor, face color was pale and limbs were cold. Additionally, he had severe diarrhea.