Suspected doxycycline-induced esophagitis with esophageal stricture formation in three cats

The most common causes of esophageal strictures in dogs and eats are gastro esophageal reflux during anesthesia, persistent vomiting, or ingestion of f oreign bodies or caustic agents.(1-5) In humans, esophageal retention of or al medication is a common cause of severe esophagitis.(6-8) Of the medicati ons proven to lead to esophageal ulceration, doxycycline is most often impl icated.(6) It has been suggested that pill-induced esophagitis also could o ccur in small animals but has yet to be reported.(9) The purpose of this pu blication is to report on three cases of presumptive doxycycline-induced es ophagitis with resultant stricture formation.