These diseases affect the digestive system and cause the intestinal tissue to become inflamed, form sores and bleed easily. Symptoms include abdominal pain, cramping, fatigue and diarrhea.

• 这些疾病影响消化系统导致肠道组织的炎症、溃疡和出血。症状包括腹痛，腹部绞痛，疲乏，腹泻。