title: Doxycycline esophageal ulcers.
abstract: Two patients developed acute esophageal ulceration after ingestion of doxycycline hyclate. Despite vigorous investigation no evidence was found to support a viral etiology. The ulcers are postulated to result from close contact between the capsules and the esophageal mucosa.
mesh_terms: D000208:Acute Disease; D000328:Adult; D004318:Doxycycline / Q000009:adverse effects*; D004935:Esophageal Diseases / Q000139:chemically induced*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000139:chemically induced*
chemical_list: D004318:Doxycycline