gastrointestinal

adjective

gas·​tro·​in·​tes·​ti·​nal ˌga-strō-in-ˈte-stə-nᵊl 

-ˈtes(t)-nəl

: of, relating to, affecting, or including both stomach and intestine

Examples of gastrointestinal in a Sentence

Recent Examples on the Web

Allergic reactions vary in severity from gastrointestinal disturbances and skin irritation, to anaphylaxis, shock and death. —Anna Skinner, MSNBC Newsweek, 30 Nov. 2025

Experts also stress that not all gastrointestinal issues are related to parasites. —Hedy Phillips, PEOPLE, 29 Nov. 2025

People with medical conditions like pernicious anemia, which prevents the absorption of vitamin B12, or certain gastrointestinal disorders that impair nutrient absorption, may require B12 injections. —Lindsay Curtis, Verywell Health, 25 Nov. 2025

These waters are said to help reduce inflammation, improve skin health, and relieve gastrointestinal issues. —Evie Carrick, Travel + Leisure, 22 Nov. 2025

Word History

First Known Use

1831, in the meaning defined above

Phrases Containing gastrointestinal

• gastrointestinal tract

Rhymes for gastrointestinal

• intestinal

Kids Definition

gastrointestinal

adjective

gas·​tro·​in·​tes·​ti·​nal ˌgas-trō-in-ˈtes-tən-ᵊl 

: of, relating to, or including both stomach and intestine

Medical Definition

gastrointestinal

adjective

gas·​tro·​in·​tes·​ti·​nal ˌgas-trō-in-ˈtes-tən-ᵊl, -ˈtes(t)-nəl 

: of, relating to, or affecting both stomach and intestine

gastrointestinal distress