Diseases and Conditions
Anal fissure
Overview
Symptoms
Causes
Risk factors
Complications
Prevention
Diagnosis
Treatment
Lifestyle and home remedies
Preparing for an appointment
Causes
Common causes of anal fissure include:
- Passing large or hard stools
- Constipation and straining during bowel movements
- Chronic diarrhea
- Anal intercourse
- Childbirth
Less common causes of anal fissures include:
- Crohn's disease or another inflammatory bowel disease
- Anal cancer
- HIV
- Tuberculosis
- Syphilis