A case of anaphylaxis caused by paraformaldehyde in intracanal medication.

DOI 2 Citations 13 References Open Access
  • ASANO Hiroshi
    Department of Oral and Maxillofacial Surgery, Kobe University School of Medicine
  • SHIBUYA Yasuyuki
    Department of Oral and Maxillofacial Surgery, Kobe Steel Hospital
  • MASAGO Hiroshi
    Department of Oral and Maxillofacial Surgery, Kobe University School of Medicine
  • YOSHIKAWA Tomohiro
    Department of Oral and Maxillofacial Surgery, Kobe University School of Medicine
  • UMEDA Masahiro
    Department of Oral and Maxillofacial Surgery, Kobe University School of Medicine
  • KOMORI Takahide
    Department of Oral and Maxillofacial Surgery, Kobe University School of Medicine

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  • 根管治療薬（パラホルムアルデヒド製剤）によって惹起されたアナフィラキシーの１例

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Anaphylaxis associated with dental treatment is usually induced by local anesthetics, latex gloves, antibiotics, and antiphlogistics, but is rarely caused by intracanal medication containing paraformaldehyde.<BR>A 49-year-old woman presented with urticaria about 3 hours after root canal treatment of 4 1 with paraformaldehyde. On the next day, she underwent root canal treatment again with paraformaldehyde, a generalized pruritic rash, facial swelling, dyspnea, and dysphagia developed. These symptoms resolved within 24 hours after administration of hydrocortisone.<BR>Laboratory examinations of the blood showed a high IgE RAST value against formaldehyde, and a scratch test revealed intensely positive reactions. From these results together with her anamnesis and clinical history, we diagnosed her symtoms as anaphlaxis caused by paraformaldehyde.

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