Your stomach filling with fluid can also occur as a complication of infectious diseases such as tuberculosis, pancreatitis, abdominal surgery, and trauma and inflammation of the colon, appendix or peritoneum. Other rare causes include Meigs syndrome, hypothyroidism and vasculitis.
Symptoms of fluid in the stomach may include increasing abdominal discomfort and distention, heaviness and pressure, rapid weight gain, swollen feet and ankles, and chronic fatigue.
Diagnosis of the underlying condition is the most important part of understanding why someone has developed fluid in the stomach. If the medical history does not provide any clues, blood work can play an essential role, as can an ultrasound scan, and analysis of the fluid may be necessary. This procedure is called paracentesis.
Treatment depends on the underlying cause. Medication, diet, therapeutic paracentesis (removal of the fluid by a small needle) and surgery are all possibilities. It is likely that salt intake will be restricted, water intake restricted and diuretics prescribed.
Fluid in the stomach can lead to complications. These include breathing difficulties and infections. You should consult your doctor for a professional diagnosis.