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Digestive Disorders

Gas and antibiotics



As I become older, I experience more gas after the supper meal. I had this for years. I noticed 2x that when I had to go on an antibiotic for a URI, I would not have this problem for weeks. Is there some connection? Isn`t this a better treatment then taking all those antigas pills?


Much of the gas passed per rectum is produced by colonic bacteria which are affected by antibiotic use.

Since intestinal gas is produced by bacterial digestion of foodstuffs, the best treatment for the problem is to determine which things you eat actually cause the biggest problems. A food-symptom diary is helpful in this regards particularly with attention paid to beans, broccoli, cauliflower, meat and dairy products.

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Response by:

Michael Patrick Jones, MD, FACP Michael Patrick Jones, MD, FACP
Director, Center for Digestive Motility Disorders
College of Medicine
University of Cincinnati