Oxalate Poisoning Clinical Presentation

Updated: Dec 29, 2015
  • Author: Jason F Kearney, MD, MBA; Chief Editor: Asim Tarabar, MD  more...
  • Print


Symptoms, if they develop, occur rapidly and may include the following:

  • Keratoconjunctivitis and corneal abrasions after contact with plant material
  • Edema, erythema, bullae, and inflammation of mouth and oral mucosa after contact; esophagitis
  • Slurred or unintelligible speech
  • Laryngeal edema (with sufficient contact)
  • Superficial necrosis developing days after initial contact
  • Local skin erythema and/or edema (typical of a contact dermatitis) due to contact with plant sap or juices


No physical findings exist in the majority of oxalate exposures.