A field guide for an unspoken pain

Anal fissures & fistulas, explained clearly, calmly, completely.

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Two different problems. Often confused. Sometimes connected.

An anal fissure is a small tear in the lining of the anal canal. An anal fistula is an abnormal tunnel that forms between the anal canal and the surrounding skin. Both can cause pain and bleeding — but the underlying problem, the treatment, and the path to healing are not the same.

If you don't know which one you're dealing with, that's normal. The first job is to understand the difference, then to recognise the patterns that make recovery hard. Begin with the conditions →

10 most common concerns

What people actually struggle with.

These are the questions and worries that come up again and again — in clinical visits, in patient forums, in late-night searches. Each card opens to a longer, careful answer.

No. 01 Pain during bowel movements

Why fissure pain feels disproportionate, and the spasm-pain cycle that keeps it going.

→ No. 02 Chronic recurrence

When a fissure heals, then reopens — and what makes the chronic form different from the acute one.

→ No. 03 Bleeding & discharge

Bright red blood, mucus, pus — what each sign typically points to and when it warrants urgency.

→ No. 04 Fissure → fistula progression

How an untreated abscess or chronic fissure can turn into a tracking tunnel — and how to interrupt the path.

→ No. 05 Mental health & anxiety

The psychological weight of an embarrassing, painful, recurring problem — and where to find support.

→ No. 06 Surgery fears & complications

The anxieties that surround anorectal surgery — incontinence, recovery, anaesthesia — and what evidence says.

→ No. 07 Post-surgery recurrence

Why some fistulas come back after surgery and which procedures carry which odds.

→ No. 08 Treatment ineffectiveness

When ointments, sitz baths, and fibre don't seem to be working — and what comes next.

→ No. 09 Muscle spasms

The internal sphincter spasm at the heart of fissure pain — and how relaxing it changes everything.

→ No. 10 Quality of life decline

Sleep, work, intimacy, exercise — the parts of life these conditions quietly erode, and how to take them back.

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The body heals in its own time. The job of treatment is to remove the obstacles — pressure, spasm, infection, fear — that keep it from doing what it already knows how to do. — Editorial note

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