Table 2.

Cases of pill-induced esophagitis caused by caffeine

Patient age (years), sex	Dose consumed	Symptoms	Endoscopic findings	Outcome	Reference#
Not noted	Not noted	Not noted	Circumferential ulcer scars and stricture in the lower esophagus	The stricture remained 1 month later	7
24, male	12 g	Nausea and vomiting	Severe stricture in the esophagus	Recovery after conservative therapy	8
19, male	8 g	Repeated vomiting	Circumferential ulcers in the lower esophagus without any gastroduodenal lesions	Recovery after conservative therapy	9
19, female	2.4 g	Epigastralgia, nausea, and a sore chest	Diffuse ulcers in the lower esophagus without any gastric ulcers or erosions.	Recovery after conservative therapy	Current case