Thanks for choosing health care magic for posting your query.
From the description that you have stated, general fullness of stomach in absence of clear cut physical diagnosis can be related to stress
. However before these can be considered cause of stress, possibility of acidity should be ruled out. If need be a course of antacids should be tried.
At the end, good diet and regular exercise go along way in helping to improve these non-specific symptoms.
Hope I am able to solve your concerns.
If you have any further queries, you can contact me directly using the link http://bit.ly/dr-srikanth-reddy