Stomach pain and swelling, can't lay on that side feels full and can't eat without feeling nauseated. nasty taste in mouth. gallbladder removed in feb?

Nonspecific: These symptoms are nondiagnostic but could be due to gastritis(inflammation of the stomach lining). Try a bland,low fat diet and drink flat ginger ale. Avoid caffeine,alcohol,nicotine and try prilosec for a few days. See your MD if symptoms persist or worsen or if vomiting, or significant bowel changes or abdominal tenderness occur.