如果您排成形便的次数增多，很可能是意味您的生活方式有所改变。例如，您的全谷物摄入量可能有所增加，这会增加您从饮食中获取的纤维量。
排便频率增加也可能由一种会自愈的温和疾病引起。如果没有其他症状，您很可能很健康。
可能导致排便频繁和其他症状的疾病和其他状况包括：
- 沙门菌感染 或其他可能由细菌引起的感染。
- 轮状病毒 或其他病毒引起的感染。
- 贾第虫感染（贾第虫病） 或者由寄生虫引起的其他感染。
- 肠易激综合征 — 一组影响胃和肠道的症状。
- 抗生素相关性腹泻 或药物引起的其他问题。
- 乳糜泻
- 克罗恩病 ——导致消化道组织发炎的疾病。
- 溃疡性结肠炎 — 一种引起大肠内壁溃疡和肿胀（即发炎）的疾病。
- 乳糖不耐受症
- 甲亢（甲状腺功能亢进） 也称为甲状腺过度活跃。
下面列出了与该症状有关的常见病因。请与您的医生或其他医疗中心的专家配合，寻求更准确的诊断结果。
- Fiber. Academy of Nutrition and Dietetics. https://www.eatright.org/health/essential-nutrients/carbohydrates/fiber. Accessed Sept. 10, 2024.
- Evaluation of the gatrointestinal patient. Merck Manual Professional Version. https://www.merckmanuals.com/professional/gastrointestinal-disorders/approach-to-the-gastrointestinal-patient/evaluation-of-the-gastrointestinal-patient?query=Evaluation%20of%20the%20GI%20patient. Accessed Sept. 10, 2024.
- Symptoms and causes of celiac disease. National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/digestive-diseases/celiac-disease/symptoms-causes. Accessed Sept. 10, 2024.
- Inflammatory bowel disease (IBD) basics. Centers for Disease Control and Prevention. https://www.cdc.gov/inflammatory-bowel-disease/about/. Accessed Sept. 10, 2024.
- Hyperthyroidism (overactive thyroid). National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/endocrine-diseases/hyperthyroidism. Accessed Sept. 10, 2024.
- Symptoms and causes of irritable bowel syndrome. National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/digestive-diseases/irritable-bowel-syndrome/symptoms-causes. Accessed Sept. 10, 2024.
- Diarrhea. National Institute of Diabetes and Digestive and Kidney Diseases. https://www.niddk.nih.gov/health-information/digestive-diseases/diarrhea/all-content. Accessed Sept. 10, 2024.
- Irritable bowel syndrome (IBS). American College of Gastroenterology. https://gi.org/topics/irritable-bowel-syndrome/. Accessed Sept. 10, 2024.
- Ferri FF. Lactose intolerance. In: Ferri's Clinical Advisor 2025. Elsevier; 2025. https://www.clinicalkey.com. Accessed Sept. 10, 2024.