Mulige komplikationer i forbindelse med gastrointestinal endoskopi omfatter, men er ikke begrænset til, perforationer, feber, aspirationer, blødninger, infektioner, hypospænding, allergiske reaktioner på medicin, hjertearytmi eller -stop, respirationsdepression eller -stop. Komplikationer, der kan opstå i forbindelse med øsofagusbandage, omfatter desuden, men er ikke begrænset til, løsrivelse af båndet, trykken for brystet, retrosternale smerter, dysfagi eller odynofagi og post-EVL-sår med eller uden blødning, forøgelse af portal hypertensiv gastropati, bakteriæmi, kvalme, larynx, retrosternale smerter, laceration, strikturdannelse, øsofagusperforation, obstruktioner, varicerecidiv og reblødning.
Possible complications associated with the gastrointestinal endoscopy include and not limited to perforations, fever, aspirations, haemorrhage, infections, hypo-tension, allergic reactions to medication, cardiac arrhythmia or arrest, respiratory depression or arrest. Furthermore, complications that may occur with oesophageal banding include and not limited to band dislodgment, chest tightness, retrosternal pain, dysphagia or odynophagia, and post-EVL ulcer with or without bleeding, increase of portal hypertensive gastropathy, bacteremia, nausea, laryngeal, retrosternal pain, laceration, stricture formation, oesophageal perforation, obstructions, variceal recurrence and rebleeding.