What is Anal Fissure?

An anal fissure is a small tear or split in the thin, moist tissue lining the anus, most commonly caused by the passage of hard or large stools that stretch and injure the delicate anal skin. It typically causes sharp, severe pain during and after bowel movements, often accompanied by a small amount of bright red bleeding. While most anal fissures are acute and heal within a few weeks with simple measures, some become chronic, persisting beyond eight weeks and requiring more targeted treatment. Chronic constipation and prolonged sphincter spasm are key factors that prevent healing.

What are the main symptoms of Anal Fissure?

The most common symptoms include: Sharp; severe pain during and immediately after bowel movements; bright red blood on stool or toilet paper; visible tear or crack in the skin around the anus. Early recognition is key to prompt diagnosis and effective treatment.

Is Anal Fissure contagious?

No, Anal Fissure is not contagious. It cannot spread through casual contact. However, certain risk factors and genetic predispositions may increase susceptibility.

How is Anal Fissure treated?

Treatment options include: Most acute fissures heal with conservative measures including increased fiber and fluid intake to soften stools; warm sitz baths; and topical pain-relieving or muscle-relaxing ointments to reduce sphincter spasm and promote healing. Chronic fissures that fail to respond may be treated with topical nitroglycerin or calcium channel blocker ointments. Treatment should always be guided by a qualified Colorectal & Proctology specialist. Do not self-medicate.

Can Anal Fissure be prevented?

While Anal Fissure cannot always be fully prevented, several measures can reduce risk: Maintaining a high-fiber diet and adequate fluid intake to prevent constipation; avoiding prolonged straining during bowel movements; responding promptly to the urge to defecate rather than delaying.

When should I see a doctor for Anal Fissure?

Consult a Colorectal & Proctology specialist if symptoms persist for more than a few days, worsen despite home care, or significantly affect your daily activities. Early diagnosis leads to better outcomes.

All Diseases/Anal Fissure

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Digestive & GastrointestinalMild

Anal Fissure

Colorectal & Proctology · Digestive & Gastrointestinal

Mild

Severity

Common — affects people of all ages, with a peak incidence in young and middle-aged adults

Prevalence

Contagious

Colorectal & Proctology

Specialist

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🛡️Prevention of Anal Fissure

1Maintaining a high-fiber diet and adequate fluid intake to prevent constipation
2avoiding prolonged straining during bowel movements
3responding promptly to the urge to defecate rather than delaying
4regular physical activity to support healthy bowel function
5treating chronic diarrhea or constipation early

More About Anal Fissure

About the Anal Fissure Warning Signs of Anal Fissure Common Symptoms of Anal Fissure Causes & Risk Factors of Anal Fissure How Doctors Diagnose Anal Fissure Treatment Options for Anal Fissure Anal Fissure Progression Anal Fissure Treatment Cost Frequently Asked Questions About Anal Fissure Ask a Question About Anal Fissure Conditions Related to Anal Fissure

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