Contributor:  Aaron Lessen, MD Educational Pearls: Acid and alkali ingestions have differing prognosis and immediate concerns Immediate issues can include superficial irritation, severe burns, esophageal perforation, and even airway compromise from edem Long term morbidity can include strictures Supportive care is typically all that can be provided in the emergency department Diagnostics may include imaging and endoscopy For more severe ingestions without immediate issues,, patients may be monitored for up to 24 hours References Hoffman RS, Burns MM, Gosselin S. Ingestion of Caustic Substances. N Engl J Med. 2020 Apr 30;382(18):1739-1748. doi: 10.1056/NEJMra1810769. PMID: 32348645. Summarized by Erik Verzemnieks, MD   The Emergency Medical Minute is excited to announce that we are now offering AMA PRA Category 1 credits™ via online course modules. To access these and for more information, visit our website at www.emergencymedicalminute.com/cme-courses/ and create an account.  Donate to EMM today!