  It usually takes about 4 to 6 hours for a full stomach to digest the food. However, this varies from person to person, and if vomitting occurs, much less time. It takes â¦ from 12 to 24 hours for the food to completely leave the digestive/excremetory systems.n the other hand if you've eaten Veggies, then that will take maximum 1 hour, and if you've eaten Meat then that will take approx. 1 hour and a half.  Top Tip:  It will take almost 7 hours to digest a chewing gum!!!! If you swallow it. of course !!
Epigastric pain is pain that is localized to the region of the upper abdomen immediately below the ribs. Often, those who experience this type of pain feel it during or right after eating or if they lie down too soon after eating. It is a common symptom of gastroesophageal reflux disease (GERD) or heartburn.regnant women may experience epigastric pain due to increased abdominal pressure and hormonal changes that slow the digestive process. Epigastric pain can also arise from conditions that impair the normal digestive process, such as peptic ulcers, hiatal hernias, or gallstones.
1 This can allow a loop of intestine or abdominal tissue to push into the sac. 2  The hernia can cause severe pain and other potentially serious problems that could require emergency surgery. 3  An epigastric hernia comes through the linea alba between the umbilicus and the bottom end of the sternal bone. The pain may be sharp and immediate or a dull ache that gets worse toward the end of the day. 2  Severe, continuous pain, redness, and tenderness are signs that the epigastric hernia may be entrapped or strangulated.