How Does Caffeine Affect the Bowels of a Person Who Has Acute Chronic Gastritis & Diverticulitis?

Caffeine is a widely consumed substance found in coffee, kola nuts, tea leaves, cocoa and chocolate. Caffeine is also produced synthetically and added to carbonated drinks, energy drinks and over-the-counter medications such as cold medicines and pain relievers. If you have chronic gastritis and diverticulitis, caffeine may have a negative effect on your bowels.

Avoid or limit caffeinated beverages if you have gastritis.

Caffeine Effects

Chronic gastritis is the prolonged inflammation of the lining of your stomach. Diverticulitis is the swelling and inflammation of the diverticula, which are small abnormal pouches found on the inner lining of your large bowel. Caffeine is a stimulant that increases production of stomach acid, which can worsen symptoms of chronic gastritis. Caffeine also stimulates contraction of your bowels. Stimulation of the large bowels can worsen diverticulitis symptoms such as diarrhea and lower abdominal pain. Consult your doctor before you take caffeinated beverages.

Chronic Gastritis Symptoms

Many people with chronic gastritis have no symptoms, according to the University of Maryland Medical Center. When symptoms occur, you may experience abdominal pain, heartburn, acid indigestion, feeling of fullness after eating, nausea, vomiting and loss of appetite. Seek immediate medical attention if you have dark or bloody stool and vomit that looks like coffee grounds.

Diverticulitis Symptoms

When your diverticula become inflamed, you may experience symptoms such as lower abdominal pain, abdominal tenderness, changes in bowel habits, diarrhea, constipation, bloating, increased intestinal gas, nausea, vomiting, rectal bleeding, fever and chills, according to PubMed Health. Seek immediate medical help if you experience bleeding from your rectum or bloody stool.


Chronic gastritis diet should include foods that are mildly flavored and easy to digest to help prevent pain and further irritation to the stomach lining, according to Avoid or limit stomach-irritating foods such as tomato-based products, citrus fruits and juices, spicy foods, sauces, seasoned meat, fried foods, peppermint and alcohol. If you develop diverticulitis, your doctor may advise you to only consume clear liquid foods until your bowel heals. Examples of clear liquid foods include fruit juice without pulp, gelatin and clear broth.

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