National Digestive Diseases
Information Clearinghouse (NDDIC)

A service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health (NIH)

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Anus and Rectum

Anatomic Problems of the Lower GI Tract publication thumbnail image

Anatomic Problems of the Lower GI Tract
Provides a general overview of common anatomical problems of the lower GI tract. Describes how some problems develop during the fetal stage and others develop with age. Covers symptoms, diagnosis, and treatment for the different conditions.
PDF Version (284 KB) *

Bleeding in the Digestive Tract publication thumbnail image

Bleeding in the Digestive Tract
Includes information about the causes of bleeding in the digestive tract and how the bleeding is recognized, diagnosed, and treated.
PDF Version (350 KB) *

The Hemorragia en el tracto digestivo publication thumbnail image

En Español
Hemorragia en el tracto digestivo
Incluye información sobre las causas de la hemorragia en el tracto digestivo y cómo se reconoce, diagnostica y trata una hemorragia.
Versión PDF (164 KB) *

Colonoscopy publication thumbnail image

Colonoscopy
Provides general information about colonoscopy. Describes the purpose of the test, how patients can prepare for it, and what patients can expect during and after the procedure.
PDF Version (141 KB) *

Colonoscopia publicación imagen

En Español
Colonoscopia
Brinda información general sobre la colonoscopia. Describe el objetivo de la prueba, cómo se pueden preparar los pacientes para la prueba, y lo que pueden esperar los pacientes durante el procedimiento y después.
Versión PDF (623 KB) *

Constipation publication thumbnail image

Constipation
Defines constipation and describes its development, diagnosis, and treatment. Also highlights some misconceptions about constipation.
PDF Version (464 KB) *

The Constipation in Children publication thumbnail image

Constipation in Children
Explains the causes, symptoms, diagnosis, and management of constipation in children.
PDF Version (532 KB) *

The Digestive System and How It Works publication thumbnail image

The Digestive System and How It Works
Provides general information about the organs of the digestive system, the digestive process, and the absorption of nutrients.
PDF Version (426 KB) *

El aparato digestivo y su funcionamiento publicación imagen

En Español
El aparato digestivo y su funcionamiento
Ofrece información general sobre los órganos del sistema digestivo, la digestión y la absorción de nutrientes. Incluye un listado de lecturas adicionales.
Versión PDF (153 KB) *

Fecal Incontinence publication thumbnail image

Fecal Incontinence
Explains the causes, diagnosis, treatment, and emotional considerations of fecal incontinence, commonly known as bowel control problems. This fact sheet includes information about eating, diet, and nutrition and reviews fecal incontinence in children.
PDF Version (578 KB) *

Incontinencia fecal publicación imagen

En Español
Incontinencia fecal
Explica causas, diagnóstico y tratamiento de la incontinencia fecal o problemas de control intestinal.
PDF Version (655 KB) *

Flexible Sigmoidoscopy publication thumbnail image

Flexible Sigmoidoscopy
Provides general information about flexible sigmoidoscopy. Describes the purpose of the test, how patients can prepare for it, and what patients can expect during and after the procedure.
PDF Version (490 KB) *

Sigmoidoscopia flexible publicación imagen

En Español
Sigmoidoscopia flexible
Proporciona información general sobre la sigmoidoscopia flexible. Describe el propósito de la prueba, como los pacientes se pueden preparar para ella y que pueden esperar los pacientes durante y después del procedimiento.
Versión PDF (186 KB) *

Hemorrhoids publication thumbnail image

Hemorrhoids
Describes the symptoms, diagnosis, and medical and surgical treatments for this common disorder.
PDF Version (298 KB) *

Lower GI Series publication thumbnail image

Lower GI Series
Provides general information about the lower gastrointestinal (GI) x-ray series. Describes the purpose of the test and what patients can expect before, during, and after the procedure.
PDF Version (389 KB) *

Tránsito gastrointestinal inferior publicación imagen

En Español
Tránsito gastrointestinal inferior
Proporciona información general sobre las radiografías del tránsito gastrointestinal inferior. Describe el propósito de la prueba, como los pacientes se pueden preparar para ella y que pueden esperar los pacientes durante y después del procedimiento.
Versión PDF (113 KB) *

Microscopic Colitis: Collagenous Colitis and Lymphocytic Colitis publication thumbnail image

Microscopic Colitis: Collagenous Colitis and Lymphocytic Colitis
Defines collagenous colitis and lymphocytic colitis. Explains the causes and describes signs and symptoms, diagnosis, and treatments.
PDF Version (423 KB) *

Proctitis publication thumbnail image

Proctitis
Describes the causes, diagnosis, and treatment of proctitis.
PDF Version (150 KB) *

Ulcerative Colitis publication thumbnail image

Ulcerative Colitis
Discusses risk factors, symptoms, diagnostic procedures, and complications of ulcerative colitis. Provides treatment options, including medications and surgery.
PDF Version (510 KB) *

Virtual Colonoscopy publication thumbnail image

Virtual Colonoscopy
Provides general information about virtual colonoscopy. Describes the purpose of the test, how patients can prepare for it, and what patients can expect during and after the procedure.
PDF Version (123 KB) *

Colonoscopia virtual publicación imagen

En Español
Colonoscopia virtual
Provee información sobre la colonoscopia virtual. Describe el propósito de este examen, cómo los pacientes pueden prepararse para el examen y lo que deben esperar durante y después del procedimiento.
Versión PDF (381 KB) *

What I need to know about Bowel Control publication thumbnail image

What I need to know about Bowel Control
Defines bowel control problems, also called fecal incontinence, and describes how normal bowel control works. Discusses the causes, risk factors, diagnosis, and treatment. Provides tips for talking with the doctor and ways to cope with bowel control problems.
PDF Version (968 KB) *

Lo que usted debe saber sobre el control intestinal publicación imagen

En Español
Lo que usted debe saber sobre el control intestinal
Describe problemas de control intestinal, o incontinencia fecal, y sus causas, factores de riesgo, diagnóstico y tratamiento.
Versión PDF (1,712 KB) *

What I need to know about Colon Polyps publication thumbnail image

What I need to know about Colon Polyps
Defines colon polyps and reviews the tests used to detect them. Provides information about treatment and prevention and includes a pronunciation guide.
PDF Version (1,465 KB) *

Lo que usted debe saber sobre los pólipos en el colon publicación imagen

En Español
Lo que usted debe saber sobre los pólipos en el colon
Define los pólipos en el colon y repasa las pruebas usadas para detectarlos. Provee información sobre el tratamiento y la prevención.
Versión PDF (569 KB) *

What I need to know about Constipation publication thumbnail image

What I need to know about Constipation
Defines constipation and includes steps for prevention, as well as a list of additional resources.
PDF Version (2,240 KB) *

Lo que usted debe saber sobre el estreñimiento publicación imagen

En Español
Lo que usted debe saber sobre el estreñimiento
Define el estreñimiento e incluye las medidas de prevención, como también la lista de recursos adicionales.
Versión PDF (786 KB) *

What I need to know about Diarrhea publication thumbnail image

What I need to know about Diarrhea
Discusses the causes of diarrhea and the dangers of dehydration. Provides suggestions for easing the symptoms of diarrhea in adults and children. Offers strategies for avoiding traveler’s diarrhea.
PDF Version (906 KB) *

Lo que usted debe saber sobre la diarrea publicación imagen

En Español
Lo que usted debe saber sobre la diarrea
Ofrece información sobre las causas de la diarrea y los riesgos de la deshidratación. Ofrece sugerencias para aliviar los síntomas de la diarrea en adultos y en niños. Presenta sugerencias para evitar la diajera del viajero.
Versión PDF (1,352 KB) *

What I need to know about Hirschsprung Disease publication thumbnail image

What I need to know about Hirschsprung Disease
Defines and explains the causes, symptoms, and treatment of Hirschsprung disease. Includes a pronunciation guide.
PDF Version (465 KB) *

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Page last updated September 3, 2014


The National Digestive Diseases Information Clearinghouse is a service of the National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health.

National Digestive Diseases Information Clearinghouse
2 Information Way
Bethesda, MD 20892–3570
Phone: 1–800–891–5389
TTY: 1–866–569–1162
Fax: 703–738–4929
Email: nddic@info.niddk.nih.gov
Internet: www.digestive.niddk.nih.gov

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