- abdominal pain,
- nausea, vomiting ithe first few days,
- Gastric perforation, pharygo-oesophageal injury
- Balloon migration leading to intestinal occlusion
- Gastric wall ulcer
- Acute pandreatitis
- Spontaneous balloon overinflation
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.