Bleeding from the upper part of the gastrointestinal tract secondary to ingestion of acetylsalicylic acid (aspirin).
D001241:Aspirin / Q000009:adverse effects*; D006471:Gastrointestinal Hemorrhage; D041981:Gastrointestinal Tract; D006470:Hemorrhage; D006801:Humans
D001241:Aspirin
ACETYLSALICYLIC ACID/injurious effects; GASTROINTESTINAL SYSTEM/hemorrhage