  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.
Shares & Saves. Save. Epigastric pain is an ache or soreness in the upper and middle portions of the abdomen, just below the sternum. There are a variety of causes for abdominal pain, and it is often difficult to pinpoint the exact cause without extensive testing.Gastroesophageal reflux disease, lactose intolerance, gallstones and pancreatitis are a few of the most common causes of epigastric pain.here are a variety of causes for abdominal pain, and it is often difficult to pinpoint the exact cause without extensive testing. Gastroesophageal reflux disease, lactose intolerance, gallstones and pancreatitis are a few of the most common causes of epigastric pain.