Proctitis

Overview


Plain-Language Overview

Proctitis is an inflammation of the rectum, which is the last part of the large intestine. This condition affects the digestive system and can cause symptoms like rectal pain, bleeding, and a frequent urge to have a bowel movement. It may result from infections, inflammatory diseases, or radiation therapy. The inflammation can make it uncomfortable to pass stool and may lead to other complications if untreated. Understanding the cause is important for managing the symptoms and preventing further damage.

Clinical Definition

Proctitis is defined as inflammation of the rectal mucosa, typically caused by infectious agents such as Neisseria gonorrhoeae, Chlamydia trachomatis, or Herpes simplex virus, inflammatory bowel diseases like ulcerative colitis, or radiation exposure. The core pathology involves mucosal edema, erythema, and ulceration leading to symptoms such as rectal bleeding, tenesmus, and mucous discharge. It is clinically significant due to its impact on bowel function and potential to cause chronic complications like strictures or fistulas. Diagnosis requires distinguishing infectious from noninfectious causes to guide appropriate therapy. The condition is often associated with sexually transmitted infections in younger adults and with autoimmune processes in chronic cases.

Inciting Event

Locked content

Latency Period

Locked content

Diagnostic Delay

Locked content

Clinical Presentation


Signs & Symptoms

Locked content

History of Present Illness

Locked content

Past Medical History

Locked content

Family History

Locked content

Physical Exam Findings

Locked content

Diagnostic Workup


Diagnostic Criteria

Locked content

Pathophysiology


Key Mechanisms

Locked content

Organs

Locked content

Tissues

Locked content

Cells

Locked content

Chemical Mediators

Locked content

Treatments


Pharmacological Treatments

Locked content

Non-pharmacological Treatments

Locked content

Prevention


Pharmacological Prevention

Locked content

Non-pharmacological Prevention

Locked content

Outcome & Complications


Complications

Locked content

Short-term Sequelae

Locked content

Long-term Sequelae

Locked content

Differential Diagnoses


Differentials

Locked content

Medical Disclaimer: The content on this site is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. If you think you may be experiencing a medical emergency, call 911 or your local emergency number immediately. Always consult a licensed healthcare professional with questions about a medical condition.

Artificial Intelligence Use: Portions of this site’s content were generated or assisted by AI and reviewed by Erik Romano, MD; however, errors or omissions may occur.

USMLE® is a registered trademark of the Federation of State Medical Boards (FSMB) and the National Board of Medical Examiners (NBME). Doctogenic and Roscoe & Romano are not affiliated with, sponsored by, or endorsed by the USMLE, FSMB, or NBME. Neither FSMB nor NBME has reviewed or approved this content. "USMLE Step 1" and "USMLE Step 2 CK" are used only to identify the relevant examinations.