Foods that support fissure healing

Published 13 March 2026 ·Last reviewed 13 March 2026 by the editorial team ·How we create our content

At a glance

No food heals an anal fissure directly. But the right foods create the stool conditions that allow the fissure to heal — soft stools that pass without straining, without re-tearing the tissue, and without prolonging the pain cycle.

These are the foods that people with fissures consistently describe as most helpful.

Foods that support healing

Pears

Pears are one of the most commonly mentioned helpful fruits. They are high in both soluble and insoluble fibre, have a high water content, and are gentle on the digestive system. People describe them as one of the first fruits they add when increasing fibre.

Oats

A staple of fissure-friendly breakfasts. Oats provide soluble fibre that absorbs water and creates a gel-like consistency in the bowel, making stools softer and easier to pass. Porridge with fruit and seeds is one of the most frequently described healing meals.

Prunes and prune juice

Prunes have a well-established reputation for supporting bowel health. They contain both fibre and sorbitol, a natural sugar alcohol that has a mild laxative effect. Many people describe adding two to three prunes daily or a small glass of prune juice as making a noticeable difference.

Sweet potatoes

A versatile, fibre-rich food that people describe as gentle on the digestive system. Sweet potatoes provide a good amount of insoluble fibre to support regularity, along with vitamins that support tissue repair.

Kiwi fruit

Kiwi is increasingly recognised for its positive effect on bowel function. It contains an enzyme (actinidin) that may support digestion, along with fibre and high water content. Some people describe kiwi as particularly effective for maintaining soft stools.

Legumes — lentils, chickpeas, beans

Legumes are among the highest-fibre foods available. They provide a mix of soluble and insoluble fibre, along with protein and nutrients. The key is introducing them gradually — too much too quickly can cause gas and bloating.

Wholegrain bread and pasta

Swapping white bread and pasta for wholegrain versions is one of the simplest dietary changes with a measurable impact. The additional fibre from wholegrains supports softer, bulkier stools.

Avocado

Avocado provides healthy fats along with fibre. The fats can help lubricate the digestive tract, and the fibre contributes to stool bulk. People describe adding avocado to meals as an easy way to increase both fibre and healthy fat intake.

The principles behind the list

These foods work because they share common properties:

  • High in fibre — supporting soft, bulky stools
  • High in water content — contributing to hydration
  • Gentle on the digestive system — not likely to cause irritation or urgency
  • Sustainable — foods that can be eaten daily without becoming burdensome

How to use this information

Build a sustainable diet

The goal is not to eat all eight of these foods every day. It is to build a varied, fibre-rich diet that you can maintain long-term. Pick the foods from this list that you enjoy and make them regular parts of your meals.

Combine with adequate water

All the fibre in the world will not help if water intake is insufficient. Fibre absorbs water to create soft stools. Without water, fibre makes stools harder, not softer. Two litres per day is the commonly recommended minimum.

Increase gradually

If your current diet is low in fibre, increasing suddenly can cause bloating, gas, and discomfort. Add fibre gradually over one to two weeks to let your digestive system adjust.

Think long-term

The people who describe the best outcomes treat these dietary changes as permanent rather than temporary. When fibre and hydration become habits rather than treatments, the benefits are lasting.

Common questions

Can food heal an anal fissure?

No food directly heals a fissure. But the right dietary choices create the stool conditions that allow healing to happen — soft, well-formed stools that pass without straining or re-injuring the tissue. In this sense, diet is one of the most important factors in fissure recovery.

What is the best food for a fissure?

There is no single best food. A diet rich in fibre from varied sources — fruits, vegetables, wholegrains, and legumes — combined with adequate water intake produces the soft, regular stools that support healing. Consistency matters more than any individual food.

How quickly will dietary changes help?

Most people notice softer stools within three to five days of increasing fibre and water intake. The impact on fissure symptoms may take longer, as the tissue needs time to heal once the re-injury cycle is broken.

When to seek care Heavy bleeding or feeling faint? Get emergency help now. Emergency: 911

Not sure how urgent it is? Get help today.

  1. Emergency

    Heavy bleeding, black tarry stools, feeling faint, severe pain or trouble breathing.

    Call 911 or go to the ER.

  2. Today

    Fever, pain getting worse, a hot swollen lump, or trouble passing urine.

    Call your doctor or go to urgent care.

  3. Soon

    Bleeding or bowel changes nobody has checked, or anything lasting 3 weeks.

    Book a doctor’s appointment.

Feeling overwhelmed? Call or text 988, any time.

See all the signs

For this topic, get medical advice if you notice:

  • Heavy or persistent bleeding that does not settle
  • Severe pain that is getting worse rather than better
  • Fever or signs of infection
  • Symptoms that have not improved after 4 to 6 weeks of self-care

Recording how you feel is not the same as being checked. These are the signs that need a doctor’s attention.

Call 911 or go to the emergency room now if you have:

  • bleeding that will not stop, a lot of blood (the toilet water turns red, or you pass large clots), or any bleeding with feeling faint or dizzy
  • fainting, a racing heart or trouble breathing
  • confusion or slurred speech, extreme shivering, no urine in a day, or blotchy skin
  • sudden severe belly pain, or a swollen, hard belly with vomiting or not passing stool or gas
  • you cannot pass urine at all, or your bladder feels full and painful and you can’t empty it
  • redness, swelling or severe pain spreading quickly around your anus, genitals or groin, especially with a fever or feeling very ill
  • a fever with a painful swelling near your anus if you have diabetes or a weakened immune system (for example, from chemotherapy or transplant medicines)
  • black, tarry stools

Call your doctor or go to urgent care today (or the ER if you can’t be seen today) if you have:

  • a temperature of 100.4°F (38°C) or higher, chills, vomiting, or feeling generally unwell
  • pain that is getting worse over days, or severe pain that stops you sitting or sleeping
  • a hot, swollen or very tender lump near your anus or at the top of the crease between your buttocks, or foul-smelling discharge
  • trouble urinating
  • bleeding that is getting heavier or more frequent, or blood mixed into your stool
  • feeling much more tired than usual, looking pale, or getting out of breath more easily than you used to
  • not passing stool for several days, or new belly pain

Make an appointment with your doctor if:

  • you have never had these symptoms checked by a doctor or nurse — whatever your age
  • you have had rectal bleeding for more than 3 weeks
  • your bowel movements have been looser, thinner or more frequent than usual for 3 weeks or more, or you have lost weight without trying
  • symptoms have not settled after a week or so, or keep coming back
  • you notice a new lump near your anus, between your buttocks or in your belly, or an itch or discharge that does not clear
  • you have new leakage or trouble controlling your bowels
  • you are 45 or over, or have a family history of bowel cancer or inflammatory bowel disease, and any of these symptoms are new for you

If you are unsure, it is always reasonable to ask. If things feel overwhelming, call or text 988 (Suicide & Crisis Lifeline) or chat at 988lifeline.org, any time. If you don’t feel safe, call 911.

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Discreet symptom tracking

Symptoms that come and go? Keep track, day by day.

For hemorrhoids, fissures, fistulas and other anal and rectal problems. A short, discreet email asks how things have been, and saves each answer, so you can look back at every flare and every good week in your own words. If you haven’t had your symptoms checked, see your doctor first.

  • About ten seconds a check-in. No app, no password.
  • Nothing in the subject or preview says what it’s about.
  • Each Sunday, a link to your week, ready for your next appointment.

Your notes

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Example. Nothing on the lock screen hints at symptoms or conditions.

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