Complications are generally moderate :
- abdominal pain, nausea, frequent vomiting in the early days that could lead to hypokalaemia
- spontaneous deflation of the balloon
- oesophageal reflux
- gastric ulcer
- migration of the balloon leading to intestinal obstruction (0.2% to 0.8%)
- incarceration or oesophageal rupture during extraction
Restriction of activity : It is strictly forbidden for the patient to go scuba diving or fly in an unpressurised aircraft. Practising combat or extreme sports is also not recommended.