Irritable Bowel Syndrome

Japanese: 過敏性大腸症候群 - かびんせいだいちょうしょうこうぐん

Also known as irritable bowel syndrome. This is a disease in which the intestines cannot adapt to emotional tension or stress, causing functional disorders such as intestinal tension, motility, and secretion, and is one of the so-called psychosomatic disorders. Symptoms include indefinite abdominal pain, abdominal bloating, diarrhea, constipation, or abnormal bowel movements with repeated diarrhea and constipation. Patients may also complain of autonomic nervous system imbalance and neuropsychiatric symptoms such as discharge of mucus, discharge of gas due to intestinal gas, heavy head, and fatigue. However, normal examinations do not reveal any organic lesions. It develops in people with a neurotic personality and a foundation for an unstable autonomic nervous system, due to the action of dietary, physical, and emotional factors.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

過敏性腸管症候群ともいう。情緒的緊張やストレスに対して腸管が適応できず，腸管の緊張，運動および分泌などの機能障害を起こす疾患で，いわゆる心身症の一つ。症状は，不定の腹痛，腹部膨満感，下痢，便秘または下痢，便秘を繰り返す便通異常などであり，粘液の排出，腸内ガスによるガスの排出，頭が重い，疲れやすいなど，自律神経失調症や精神神経症状を訴えることもある。しかし，通常の検査では器質的病変を認めない。神経症的な性格と自律神経系の不安定な素地のある人に，食事因子，身体的因子，情緒的因子が作用して発症する。

出典　株式会社平凡社世界大百科事典第２版について　情報

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